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Boost or Charged Air Sensor Replacement
 
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Pelican Technical Article:

Boost or Charged Air Sensor Replacement

Steve Vernon

Time:

1 hour1 hr

Tab:

$60

Talent:

**

Tools:

Philips screwdriver

Applicable Models:

VW GTI (2006-09)

Parts Required:

New sensor

Hot Tip:

You are working around the oil cooler lines so make sure the car is cool

Performance Gain:

Proper boost pressure readings

Complementary Modification:

New hoses

The charged air or boost sensor measures the compression of the air entering the throttle body. This information is used by the computer for various functions including mixture and timing. If your sensor is starting to go bad signs can be a very poorly running motor. Check your errors codes before replacing.

Changing the sensor is a straight forward procedure that can be accomplished in under an hour. The sensor is attached to the charged air pipe between the fans and the motor. While changing it is not difficult getting a good picture is. I removed the front of the car to get better images but you do NOT need to remove anything to get access to the sensor. You are working around the oil cooler lines so make sure the car is cool.

The sensor is attached to the charged air pipe on the lower left side of the motor.
Figure 1

The sensor is attached to the charged air pipe on the lower left side of the motor. You can access it either from above (red arrow) or below the vehicle. If you are accessing it from below give yourself more room by jacking up and supporting the vehicle and removing the lower engine tray. Please see our article on safely jacking up and supporting your vehicle and engine tray removal.

With the front of the vehicle removed you can see the charged air or boost sensor on the lower section of the charged air pipe (red arrow).
Figure 2

With the front of the vehicle removed you can see the charged air or boost sensor on the lower section of the charged air pipe (red arrow). Note; you do NOT need to remove the front of the vehicle this was done for photographic purposes only.

Disconnect the wiring connection (red arrow) from the sensor (yellow arrow).
Figure 3

Disconnect the wiring connection (red arrow) from the sensor (yellow arrow).

With the wiring disconnected remove the two Philips head screws (red arrows).
Figure 4

With the wiring disconnected remove the two Philips head screws (red arrows).

Remove the sensor (red arrow) from the mount (yellow arrow).
Figure 5

Remove the sensor (red arrow) from the mount (yellow arrow). Clean the area as best as possible before installing the new sensor. Installation is the reverse of removal.

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Comments and Suggestions:
Adrian Comments: Hi Anthony, this happened to me too. Did you ever find out which wires go where? Thanks
Adrian
October 27, 2016
  Followup from the Pelican Staff: I opened a post in our forums. A Pelican community member may be able to answer your question.
- Nick at Pelican Parts
 
Anthony Comments: My wires are diffrent colors!!! Hello I pulled out mt wires for this boost sensor. I need to know which wires go to which pins. My wires are brown black and purple/green. So I cant figure out which ones go to which compared to the picture in this artical.
June 28, 2016
  Followup from the Pelican Staff: I don't have the wiring for your vehicle.

I would grab a repair manual. It will have the wiring.

Give our parts specialists a call at 1-888-280-7799. - Nick at Pelican Parts
 

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Page last updated: Mon 12/5/2016 02:35:37 AM