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Fuel Pump and Filter Replacement
 
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Pelican Technical Article:

Fuel Pump and Filter Replacement

Jared Fenton

Time:

4 hours4 hrs

Tab:

$150 to $750

Talent:

*****

Tools:

10mm XZN driver, 10mm wrench, torque wrench, plastic

Applicable Models:

Porsche 955 Cayenne S (2003-08)
Porsche 955 Cayenne Turbo (2003-08)

Parts Required:

Fuel pumps, fuel filter, fuel pressure regulator, sealing rings,

Hot Tip:

Disconnect the battery and have a fire extinguisher nearby

Performance Gain:

Better running engine

Complementary Modification:

Replace fuel injectors

The fuel pumps on the Porsche Cayenne are one of those items that are in the "not if, but when it fails" items. As a general rule, I recommend changing both fuel pumps at the same time. I've seen plenty of cases where someone replaced one side, only to have the remaining pump fail in a few days.

The design of the fuel tank in the Cayenne allows you to not only replace the fuel pumps, but also the fuel filter and the fuel pressure regulator if needed. In this article, we will go over the steps involved with replacing both fuel pumps, the fuel filter and also the fuel pressure regulator (FPR).

Keep in mind that we will be working around raw fuel. Have a fire extinguisher nearby and obviously keep any flames or sources of ignition well away from the car. Additionally, open all the doors and rear hatch and make sure the area in which you work is well-ventilated. Fuel vapors can be very dangerous. I also recommend wearing fuel resistant gloves and a carbon filter mask to protect yourself.

You'll want to have the fuel level in the car as low as possible before starting this job. Wait until the car's fuel level is on reserve before opening up the fuel tank. If the fuel pump is completely dead, you'll want to use a small pump and hose to get as much fuel out as you can once the fuel filter and fuel pressure regulator are removed. The fuel pump housings themselves can hold quite a bit of fuel. As you pull them up out of the fuel tank, it can be difficult to prevent spilling fuel everywhere. Subsequently, its a good idea to have plastic sheeting on hand to cover the carpeting.

You'll also need to relieve the pressure in the fuel system prior to removing the fuel lines. Failure to do so can result in pressurized fuel shooting out of the lines when they are disconnected. Relieving the fuel pressure is done by removing the fuses for the fuel pumps and running the car until it dies. See our article on Fuel Injector Replacement for more information.

Disconnect the battery before you do anything else.
Figure 1

Disconnect the battery before you do anything else. The disconnect point is located under the driver's side carpet, near the seat. You'll see a slit in the carpet, pull it up and you'll see the 13mm acorn nut holding the ground lead to the frame (green arrow). Remove the nut and pull the lead up off the post. Wrap the end of the cable with some tape to prevent it from making contact with any bare metal.

The fuel pumps, fuel filter and fuel pressure regulator on the Porsche Cayenne are accessed through a panel underneath the rear seats that leads into the fuel tank.
Figure 2

The fuel pumps, fuel filter and fuel pressure regulator on the Porsche Cayenne are accessed through a panel underneath the rear seats that leads into the fuel tank. In this article, I'll go over the steps involved with gaining access and replacing the components. For purposes of clarity, I refer to left and right side of the car as if you were sitting in the car, looking forward.

Use the pull straps (green arrow) at the front of each rear seat to pull the lower seat cushions up off the floor.
Figure 3

Use the pull straps (green arrow) at the front of each rear seat to pull the lower seat cushions up off the floor. Once detached from the floor, fold the seats up towards the front of the car.

Here are both seats folded up.
Figure 4

Here are both seats folded up. Directly underneath is the area through which you access the fuel tank.

You'll need to loosen and remove the three 10mm XZN bolts (green arrows) holding the right seat belt bracket to the floor.
Figure 5

You'll need to loosen and remove the three 10mm XZN bolts (green arrows) holding the right seat belt bracket to the floor. These are also sometimes referred to as triple-square bolts. Do not try to use anything other than the correct tool to remove these. You'll likely strip them out and be in for an even harder job. Keep in mind that these bolts are usually very tight due to the thread locker compound applied at the factory. You'll likely need a breaker bar to get them loose. Porsche also notes that these bolts must be replaced whenever removed. The part number for these bolts is N-910-260-03. They are about a buck a piece and you'll need seven of them. When re-installing the bolts, torque them to 20 Nm (15 ft/lbs.). Once the bolts are removed, remove the bracket and clean off any accumulated dog hair or crumbs.

Now remove the four 10mm XZN bolts (green arrows) holding the left seat belt bracket to the floor of the car.
Figure 6

Now remove the four 10mm XZN bolts (green arrows) holding the left seat belt bracket to the floor of the car. You'll need to fold the seat belt buckles forward in order to reach the bolts behind. Once all the bolts are removed, fold the entire bracket upward.

Shown here is the seat belt bracket folded upward.
Figure 7

Shown here is the seat belt bracket folded upward.

Both sides of car: On the floor you'll find that the carpet is perforated in the shape of a circle on both sides.
Figure 8

Both sides of car: On the floor you'll find that the carpet is perforated in the shape of a circle on both sides. You'll need to cut the carpet with a razor blade along the perforation. On our project car, these had already been cut out (green arrow). You'll want to cut the carpet so that you can fold it over to remove the access panel.

Both sides of car: Once the carpet has been cut, fold it back and remove the four 10mm nuts (green arrows) holding the access panel to the floor.
Figure 9

Both sides of car: Once the carpet has been cut, fold it back and remove the four 10mm nuts (green arrows) holding the access panel to the floor. You'll need to pry the access covers off using a large screwdriver.

Right side of car: What you see here is the fuel pressure regulator (FPR).
Figure 10

Right side of car: What you see here is the fuel pressure regulator (FPR). This maintains the fuel pressure level in the system. You'll need to remove the fuel line connections (green arrows) and also the electrical connection (yellow arrow). The electrical connection is removed by pressing in on the tab and pulling the connector off. The fuel line connections are removed by pressing in the tab on the side and pulling the line off. See Picture 13 for further clarification.

Left side of car: On the left side of the car is the fuel filter.
Figure 11

Left side of car: On the left side of the car is the fuel filter. Remove the electrical connector (green arrow) by pushing the tab in and pulling it off. Press the tab on the fuel line connector (yellow arrow) and pull it off.

Both sides of car: You will now need to loosen and remove the retaining rings (green arrow) that hold both the FPR and the fuel filter in the fuel tank.
Figure 12

Both sides of car: You will now need to loosen and remove the retaining rings (green arrow) that hold both the FPR and the fuel filter in the fuel tank. Porsche calls for special tool T10202 to do this, although you can loosen the ring by placing a screwdriver on the edge of the ring and using a hammer to tap it loose counter-clockwise. When re-installing the rings, use the screwdriver to tap the ring clockwise as tight as you can. If you have special tool T10202, torque the retaining ring to 140 Nm (104 ft/lbs.).

Both sides of car: Here is a close up of one of the fuel line connectors.
Figure 13

Both sides of car: Here is a close up of one of the fuel line connectors. I've included this picture to clarify the separation as it's a bit tricky. You need to press the locking tab in and then pull the line off. The problem I encountered was that the locking tabs were all located on the bottom of the connectors (green arrow). I used a pick with a right angle to press the tab and pull the connectors off in the direction of the yellow arrow

I typically like to lay down some plastic sheeting over the access hole to protect the carpeting from any gasoline that may spill out.
Figure 14

I typically like to lay down some plastic sheeting over the access hole to protect the carpeting from any gasoline that may spill out.

Left side of car: Now carefully pull the fuel filter up and out of the fuel tank.
Figure 15

Left side of car: Now carefully pull the fuel filter up and out of the fuel tank. Carefully move the hose connections out of the way as you do. I found it nearly impossible to take aPicture of the connections below without removing them first. You'll also find that there isn't a lot of room to work with to get those separated. Begin by pulling the fuel filter up enough to pull the electrical connections off the side (green arrow). You will now have enough room to slide your hands in underneath and feel for the release tabs on the fuel line connectors at the bottom. Pull the fuel lines off and carefully lift the fuel filter out and set it to the side, as one of the hoses is still connected to the FPR on the other side. Be prepared for some gasoline to spill out of the filter

Right side of car: The FPR allows much more access to the connections underneath.
Figure 16

Right side of car: The FPR allows much more access to the connections underneath. In this picture, you can see the two electrical connections (green arrows) that plug into the bottom. This is similar to the connections on the fuel filter. Don't worry about reattaching the plugs incorrectly as they only fit on one way.

Right side of car: Once the electrical connections are unplugged, pull the FPR up enough to access the fuel line connections.
Figure 17

Right side of car: Once the electrical connections are unplugged, pull the FPR up enough to access the fuel line connections. Squeeze the tabs on the connections (green arrows) and pull the lines off. The connections on the fuel filter are similar. You will also be able to remove the fuel filter from the car now.

Left side of car: Shown here is the fuel filter removed from the fuel tank.
Figure 18

Left side of car: Shown here is the fuel filter removed from the fuel tank. Here you can see the two fuel line connections at the bottom (green arrows) as well as the electrical connections on the side (blue arrow). Be sure to carefully pull the long hose (yellow arrow) out from inside the fuel tank. This hose attaches to the FPR on the right side of the car. The new fuel filter will come with this hose. Carefully route the hose over the hump inside the fuel tank to the FPR.

Left side of car: Shown here is the fuel pump on the left hand side.
Figure 19

Left side of car: Shown here is the fuel pump on the left hand side. It sits inside the fuel tank and can be a little difficult to access. Take note of the relative position of the fuel pump inside the fuel tank. You'll want this to be similar when installing the pump.

Left side of car: Squeeze the tabs (green arrows) on the fuel line connectors at the top of the fuel pump and pull the connectors up and out.
Figure 20

Left side of car: Squeeze the tabs (green arrows) on the fuel line connectors at the top of the fuel pump and pull the connectors up and out. Also undo the cable tie (yellow arrow) holding the fuel lines together. Once the lines are removed, grab the fuel pump casing (blue arrow) and rotate it about 90 degrees counter-clockwise. This will release the fuel pump from the tank. Carefully pull the fuel pump up and out of the tank. Be prepared for some fuel to spill out.

Left side of car: Shown here is the retaining ring (green arrow) at the bottom of the fuel tank.
Figure 21

Left side of car: Shown here is the retaining ring (green arrow) at the bottom of the fuel tank. When installing the new pump, place it in the retaining ring so that when you turn it clockwise, it will be in the same relative position from when you removed it. Turning the pump clockwise locks it into place.

Left side of car: Here is the left fuel pump removed from the fuel tank.
Figure 22

Left side of car: Here is the left fuel pump removed from the fuel tank. Take note of the plastic fingers molded into the case (green arrow).

Right side of car: Shown here is the underside of the FPR.
Figure 23

Right side of car: Shown here is the underside of the FPR. Note the fuel line connections (green arrows). These are different sizes, so you don't have to worry about hooking up the connections backwards.

Right side of car: You'll be able to just see the right side fuel pump once the FPR is removed.
Figure 24

Right side of car: You'll be able to just see the right side fuel pump once the FPR is removed. It's a bit of a challenge to get access to the connections inside.

Right side of car: Squeeze the tabs on the fuel line connector (green arrows) and pull the fuel line (yellow arrow) out of the fuel pump.
Figure 25

Right side of car: Squeeze the tabs on the fuel line connector (green arrows) and pull the fuel line (yellow arrow) out of the fuel pump. At this point, note the position of the fuel pump and turn the whole housing counter-clockwise 90 degrees to release it from the tank.

Right side of car: Getting the right side fuel pump out of the tank is a bit of a chore.
Figure 26

Right side of car: Getting the right side fuel pump out of the tank is a bit of a chore. You'll need to hold fuel hoses out of the way while also keeping gasoline from spilling out. Take your time with this one. Install the new pump by setting it in the retaining ring and turning it clockwise roughly 90 degrees to lock it in place. Re-fit all hose connections.

Both sides of car: Don't forget to replace the two sealing rings (green arrow) for both sides of the fuel tank (part no.
Figure 27

Both sides of car: Don't forget to replace the two sealing rings (green arrow) for both sides of the fuel tank (part no. 955-201-133-01). Place the new sealing rings so that the inner edge sits on the ledge of the fuel tank opening. It can be a little challenging to get these to seat correctly. Once in place, carefully set both the fuel filter and FPR back in place. Now fit the retaining rings, cover plates, carpet and seat belt brackets back on.

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Comments and Suggestions:
Richard Comments: Cayenne 955 2006 model. I noticed a strong gas smell from the rear drivers side after running Left hand Drive model. Replaced the fuel filter unit, and both seals, pump and FPR.
Car is running fine no issues but I still have the strong fuel smell any thoughts please would be appreciated.
November 26, 2016
  Followup from the Pelican Staff: Could be a broken evap line or a crack in the top of the fuel tank. A smoke or Co2 test will find it. - Nick at Pelican Parts  
D Comments: replaced fuel pump left side cayenne wont start when does just dies can pipes be mixed up.any 3d internal image of pipe layout??
November 21, 2016
  Followup from the Pelican Staff: I do not have an internal image to share. If the vehicle stalls due to lack of fuel pressure, the pump may have been installed incorrectly. - Nick at Pelican Parts  
Dragondad Comments: I have a Porsche Cayenne I changed fuel filter now car won't start it just turns over like it's not getting any fuel
November 15, 2016
  Followup from the Pelican Staff: Is there fuel pressure? if not, something inside the filter assembly is likely bleeding off the fuel pressure. Recheck your work. - Nick at Pelican Parts  
Timmy Comments: Hi I can smell strong fuel smell near my left hand rear wheels. I can.t find any leaks but I am bit worried how much fuel has been leaked internally. I have 2006 cayenne S. Is this urgent repair I need to do asap? And another expensive exercise? Pls help thank you
November 3, 2016
  Followup from the Pelican Staff: I would have it looked at right away. Could be a vapor line or a fuel leak. - Nick at Pelican Parts  
Domi Comments: my porsche does not mark gasoline and revolutions rise and fall.... please help me
October 18, 2016
  Followup from the Pelican Staff: The instrument cluster may have a power, ground or communication issue. I would start by checking the vehicle for fault codes. If the system is not working properly, a fault code will be set. This will be your best bet when diagnosing.
- Nick at Pelican Parts
 
Hussein Comments: Good day
I have 2009 cayeen the problem is that the car sometimes takes long time to start and the engine light comes on and some time it starts and shaking and then it stops and it does that twis or three times with the RPM fluctuating then it clears out and i do all the services regularly
Thanks
September 30, 2016
  Followup from the Pelican Staff: I can't help without knowing what is missing from the system when you are trying to start it. When your engine doesn’t start you’ll want to check the basics. Check spark, fuel injector pulse and fuel pressure, volume, quality and engine compression. Are there any fault codes? Once you figure out what is missing, it will be easier to diagnose.
- Nick at Pelican Parts
 
Kala2005 Caye S Comments: I have a porsche cayenne s 2005. The garage recently changed the engine oil cooler, thermostat and camshaft sensors. Now, the engine does not start properly. It dies out or cuts out power. I did not have this problem before. The only problem I had was that when I filled up the fuel tank, the car would shake or get cranky for a few days and get back to normal.
What could be the possible problems? Thanks.
August 14, 2016
  Followup from the Pelican Staff: Is the check engine light on or flashing when the problem is present? Sounds like an engine misfire. I would check spark, fuel and compression on all cylinders.
- Nick at Pelican Parts
 
veronica02118 Comments: hi Nick,
I have a Cayenne 2006, it works fine, but when i put gas in it cranks for about 10 minutes, and then starts. I took it for a tune up 5 months ago, because it has the engine light on. they never turned it off. so i don't really know if this is an engine problem. any advice please will be appreciated.
August 11, 2016
  Followup from the Pelican Staff: The vent is likely plugged, causing raw fuel to be drawn into the purge solenoid. - Nick at Pelican Parts  
herb Comments: Hello there can you send me a pic of the position where the crankshaft position sensor is located in the porsche boxster 2001, I don't need to see fuel pump issue ,Herb
August 10, 2016
  Followup from the Pelican Staff: See this article:

http://www.pelicanparts.com/techarticles/Boxster_Tech/26-FUEL-Engine_Sensors/26-FUEL-Engine_Sensors.htm - Nick at Pelican Parts
 
herb Comments: My boxster 2001 cranks up but will not run what can be the possible problem here just replaced my water pump and thermostat,a week ago
August 6, 2016
  Followup from the Pelican Staff: I can't help without knowing what is missing from the system when you are trying to start it. When your engine doesn’t start you’ll want to check the basics. Check spark, fuel injector pulse and fuel pressure, volume, quality and engine compression. Are there any fault codes? Once you figure out what is missing, it will be easier to diagnose. - Nick at Pelican Parts  
Dave Comments: 2008 Cayenne Turbo- I changed both pumps and fuel filter. I started it up and it ran great then drove around all evening. Later in the evening I noticed it was cranking a bit when starting, a bit alarming! So I decided to put 10 gal gas in, ran fine but still cranked for a bit. The next morning I decide to fill the tank all the way and immediately it had a hard time starting then, when it started it ran for about 10 seconds then dies. So frustrated please if any one knows what to do next please help. Thanks!
August 2, 2016
  Followup from the Pelican Staff: If it didn't do this before replacement, it could be an issue with the fuel pump. I would perform a fuel delivery system test. Check fuel pressure, volume and quality.
- Nick at Pelican Parts
 
Gene Comments: OK 2005 Cayenne V6

Chokes out and dies when fuel level is down to 1/4 tank. Both fuel pumps have been replaced. But question whether it was done correctly

FYI. Can get it started after sitting ten minutes get 5-6 miles and dies again.

Fill the tank and runs fine till down to 1/4 tank. Based on miles run its not the fuel gauge.
July 17, 2016
  Followup from the Pelican Staff: Maybe the fuel level sender is reading incorrectly. I would check to see if the tank is empty when at 1/4. It may have been damaged. - Nick at Pelican Parts  
Ed Comments: After replacing both fuel pumps with FPR and flanges all system completely fuel gage now get only half way even tanks are fueled up to max. What could have failed now?
July 10, 2016
  Followup from the Pelican Staff: The ground wire could have high resistance. - Nick at Pelican Parts  
Jerry Comments: Thanks... I have a 2004 Cayenne S. The parts guys sent me to you and this forum :-
June 23, 2016
  Followup from the Pelican Staff: HA, sorry about that. I am not the best with part numbers, more of a technical guy.
From what i found, your vehicle only needs the pump, not the adapter. Looks like it comes with straight fittings.
- Nick at Pelican Parts
 
Jerry Comments: Hi Nick, I just bought 955-620-931-01-M82, woking opn replacing my left side pump. Trying to figure out fittings, I came back to web site and noticed I neglected to buy the additional connector 955-620-911-01. Where to use it is not described here. Can you tell me where and how it is used before I make assumptions and do something stupid?
June 23, 2016
  Followup from the Pelican Staff: I think that is an adapter for some models. You may not need it. best bet, give The Pelican Parts parts specialists a call at 1-888-280-7799. They can help determine if you need it or not. - Nick at Pelican Parts  
Ebony Comments: Hello I just replaced both the fuel pumps on my 2004 Cayenne S. The problem is it starts then cuts off. Any help would be greatly appreciated.
June 17, 2016
  Followup from the Pelican Staff: I can't help without knowing what is missing from the system when you are trying to start it. When your engine doesn’t start you’ll want to check the basics. Check spark, fuel injector pulse and fuel pressure, volume, quality and engine compression. Are there any fault codes? Once you figure out what is missing, it will be easier to diagnose.
- Nick at Pelican Parts
 
Zuli Comments: 2003 cayenne 4.5s whats the p2227 altitude sensor error code all about? "Outside specified range" and how do you tell the difference between fuel starvation and engine timing out? Car starts up perfect then dies or rather peters out.
April 24, 2016
  Followup from the Pelican Staff: That is the MAP sensor fault.

If you think you have a problem with the fuel pump. I would perform a fuel delivery system test. Check fuel pressure, volume and quality.
- Nick at Pelican Parts
 
Jay Comments: Where is the fuel relay located?
April 11, 2016
  Followup from the Pelican Staff: On what vehicle? - Nick at Pelican Parts  
Steve Comments: A follow up after repair......2004 Porsche Cayenne 6 cxl - had PSM failure and 4 wheel drive faulty lights after short and long drives. Cleared codes, checked all harnesses and replaced battery to factory specs. Same lights came on after 60 +/- miles. Stopped and shut off 15 minutes lights went out and came on again after additional 150 miles. Saw a post and the next day had tires rotated, balanced and all wheel alignment at Pep Boys. Next trip drove 1100 + miles and no lights at all. Check the alignment, seems to have fixed the issue.
March 31, 2016
  Followup from the Pelican Staff: WOW. Thanks for the follow up. - Nick at Pelican Parts  
Steve Comments: I have a 2004 Porsche Cayenne 6 cyl. Car runs great in the city and short under a 150 miles trips. Long trips, after about 250 miles the PSM Failure and $ Wheel Drive Faulty lights come on. Car seems to run fine, except one time, it tried to die while driving. Pulled over and shut the car off for 30 minutes, started fine after the breaking no lights on and ran fine for another 250 +/- miles and lights came back on but it ran fine to the destination. Thoughts?
March 17, 2016
  Followup from the Pelican Staff: You may have a wheel speed sensor failing. I would start by checking the vehicle for fault codes. - Nick at Pelican Parts  
dduclaux Comments: Hi. I have a 2010 Cayenne S and I am experiencing the same symptoms described missing at idle, excessive vibration at low RPMs, runs fine at high RPMS and I know that the car has been run with low fuel levels on numerous occasions. Do the instructions in the tech article apply to my vehicle as well - two fuel pumps, filter on left, FPR on right, etc. - because the article indicates 2003-2008 model? Also, it seems that Pelican only lists a left pump for my model year? Thanks for any advice on this. - Duane
January 4, 2016
  Followup from the Pelican Staff: I believe your model can have two in tank fuel pumps, as well as a high pressure fuel pump, if direct injected.

I’m not the best with part numbers.

Give our parts specialists a call at 1-888-280-7799. They can figure out what part or repair kit you need.
- Nick at Pelican Parts
 
Malhas Comments: Hello, I have a 2005 cayenne turbo, the engine runs fine, but when I'm on a steep road or an uphill the car loses power and the rpm keeps on going down although I'm hitting on gas! Please advice
December 18, 2015
  Followup from the Pelican Staff: Could be an issue with the fuel pump. I would perform a fuel delivery system test. Check fuel pressure, volume and quality.
- Nick at Pelican Parts
 
David Comments: Hi my Cayenne S 2009 is occasionally giving me wrong fuel quantity indications,especially I notice when fuel less than half tank.Where is the fuel level sensor 1 located?Is this a common fault?Thanks
David
December 11, 2015
  Followup from the Pelican Staff: The level sender is part of the right side assembly. They do fail occasionally. - Nick at Pelican Parts  
Lopez Comments: Hi , my Porsche Cayenne 2006 was running fine until I replaced the fuel pump/ filter on the left .. now it can start but not power and cuts off .. Do I need to do something ? I did get dignostis and got 2 errors pedal sensor and exhaust sensor , is this a considance ?
December 8, 2015
  Followup from the Pelican Staff: Probably a coincidence. Check the seals and hoses for the pump and filter. - Nick at Pelican Parts  
Stroudz Comments: Hello! Great directions! I'm wondering if I need to purchase a fuel pump lock ring tool in order to change the pumps? Thanks!
December 1, 2015
  Followup from the Pelican Staff: It's not a bad idea to have one on hand. In the case your is damaged. - Nick at Pelican Parts  
Alden Comments: I replaced the left and right fuel pump, filter and regulator on my 2005 Cayenne S with OEM parts bought on Pelican. Few days after driving it around I start to have loss of power, sputtering, and the engine shuts off. I got the codes P2179 and p2177...apparently the system is running lean. Any help would be appreciated.
October 25, 2015
  Followup from the Pelican Staff: Could be a faulty mass air flow sensor. an air leak or fuel delivery issue. - Nick at Pelican Parts  
TxPorschephile Comments: Nick, Ive got some issues with where everything goes. I replaced both pumps, the FPR, and the Fuel Filter on a 08 Cayenne S. I put everything back together, and my right pump still out...original issue. Here are the old parts, I put them like i did on the car. Left side has fuel filter on top, Right, has the FPR. White arrows are where I attached male connectors of what I think are the sucking jet pumps. Thanks for your help.
October 14, 2015
  Followup from the Pelican Staff: if the original issue is present, check fuel pressure, is none, check if the pump is getting power and ground. - Nick at Pelican Parts  
Rayden Comments: I removed the the 13 fuse and no start and then tried 14 fuse and no start what should I do next?
October 9, 2015
  Followup from the Pelican Staff: What are you trying to fix by removing the fuses? - Nick at Pelican Parts  
Richie Comments: 09 cayenne GTS, where is the carbon fuel vapour filter located, thanks
August 23, 2015
  Followup from the Pelican Staff: It should be at the side of the charcoal canister, attached to a large line. - Nick at Pelican Parts  
K.C Comments: hi got a fault code P1026 activation intake manifold flap for air stream regulation. after I change fuel pump
August 21, 2015
  Followup from the Pelican Staff: What vehicle are you working on? Maybe a line was disturbed or it is coincidence. - Nick at Pelican Parts  
Ernest Comments: Okay I did it. I started my car up and it was running without no problem I let it run for 45 min and I hit the gas too it was running good like it didn't have no problem so I drove back home but I tried to start the car up this morning it started acting up
July 21, 2015
  Followup from the Pelican Staff: may be time for a pump. To know for sure, I would perform a fuel delivery system test. Check fuel pressure, volume and quality.
- Nick at Pelican Parts
 
Ernestoche Comments: Hey I'm new in the forum but I've been buying my parts from pelican parts. This is my problem I let my girlfriend drove my 2004 Porsche Cayenne S and she used to drive the car on E when I was telling her to put gas in the car. We went out the town and came back I checked the car the gas was on e I drove the car to my job and when I got off work I went to the gas station after I filled the thank up I started my car it started very good and after 20 seconds the car started to shake and it cut off I started again and again it was doing the same thing I took my car to the shop we took the 2 back seat off to check the fuel pump to see it they were running and they were running good we check the gas pressure line and it was good so I was wondering what could be the problem to my car
July 12, 2015
  Followup from the Pelican Staff: Sounds like the primary fuel pump is bad. This is VERY common when a car is run low on fuel. Double check your pressure readings. One other backyard style diagnosis I do on those is to hold the throttle wide open (when is starts to stall out)and see if the car roars back to life. If it does the primary fuel pump is not doing its job. The priming/secondary pump works when you open the drivers door (before starting) and at full throttle. - Casey at Pelican Parts  
DRBII Comments: Change the fuel filter and flange on the left side. Every is connected good fuel and electrical. cayenne with not start. I can hear both fu El pumps running. I think there mite be air in the lines. how would I go about bleeding the fuEl lines?
May 20, 2015
  Followup from the Pelican Staff: Done many fuel pumps on a Cayenne, never had to bleed one. I have had this problem when I got a few fuel lines mixed up. Make sure that your lines are not mixed up. It is hard to keep track of those, helps to look at old pumps and the way the hoses connect to the new pumps, usually you can tell because something does not look quite right. - Casey at Pelican Parts  
Marx Comments: I had two hoses messed up. The small hoses on the left side pump does fit on the fuel filter. Oops. It goes on a male fitting on a hose. The hose from the right side pump goes on the filter. Done.Thanks Nick
March 21, 2015
  Followup from the Pelican Staff: Great! Glad you found it.

Thanks for the follow up and sharing your experience
- Nick at Pelican Parts
 
marx Comments: Nick it's a 2004 cayenne turbo
March 16, 2015
  Followup from the Pelican Staff: Thanks. - Nick at Pelican Parts  
marx Comments: 2004 cayenne turbo. If I pull fuse 14 the car will not start. With both fuses in the car cranks for a while then starts. That pump worked fine before I replaced the left side.please help. I took the old pump apart to see what failed and found the brushes worn way down.
March 15, 2015
  Followup from the Pelican Staff: Fuse 13 powers the replay for fuel pump 1, fuse 14 powers the relay for fuel pump 2. I would start by confirming both fuses have good power, check them under load. Then confirm both fuel pumps are getting power., they are both controlled by the DI relay together. If one is missing, it is likely a wiring issue. - Nick at Pelican Parts  
Marx Comments: My left side pump went bad so I pull fuse 14.and ran on the right side pump passenger side. Now that I replaced the left pump the right pump don't work. I took it a part the check the wires and there both on. Is there anyway I may have mixed up the hoses? Thanks Mark.
March 14, 2015
  Followup from the Pelican Staff: What vehicle are you working on? - Nick at Pelican Parts  
Mark Comments: So, this doesn't apply to the base Cayenne?
March 7, 2015
  Followup from the Pelican Staff: The article does not list your model. - Nick at Pelican Parts  
junior Comments: after I changed the fuel pump and the filters now my vehicle doesn't not want to start what do I have to do
February 2, 2015
  Followup from the Pelican Staff: Your car has two fuel pumps and one filter. What is the year and model of your Cayenne? If you replaced only one pump you may need to replace the other one as well. Also do you hear the pumps running while trying to start the engine? Are you sure your battery is not dead? - Casey at Pelican Parts  
moe Comments: Not only saved money, also learned a lot! I thank you again.
January 18, 2015
  Followup from the Pelican Staff: Thanks for the feedback. Glad we could help.
- Nick at Pelican Parts
 
Sam Comments: Thank you, Sir! This will help me a lot. Appreciate!
September 23, 2014
  Followup from the Pelican Staff: Thanks for the feedback. Glad we could help.
- Nick at Pelican Parts
 

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