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Bosch Mechanical Fuel Injection

Pelican Technical Article:

Bosch Mechanical Fuel Injection

John Hunt






Depends upon what needs to be adjusted, fixed or replaced

Applicable Models:

Porsche 911 (1965-73)

Parts Required:

Bosch mechanical fuel injection components determined from diagnosis and resolution of issue

Performance Gain:

Your 911 will run strong again once the Bosch MFI has been diagnosed and fixed

Complementary Modification:

Replace your fuel pump and fuel filter

Documents published for owners of MFI automobiles are understood to be freely available. If you believe you own the copyright of anything listed below please accept my apologies and contact me immediately to have it pulled the site.



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Comments and Suggestions:
Gazza Comments: 911 2.4 fuel injection over fueling
March 4, 2014
  Followup from the Pelican Staff: Check if the fuel pressure is too high. That is a good place to start. - Nick at Pelican Parts  
Bubba Comments: Hello, my name is Robert Soto, and I represent Airclin Automotive Corporation, a leading manufacturer and supplier of fuel system products for over 20 years.
We specialize in fuel pumps, module assembly units and fuel strainers. All the fuel pumps and module assemblies that we sell include all the accessories for the complete installation such as fuel strainer, pressure sensor, rings, etc.. Our products are designed by the most experienced team of engineers and manufactured with state of the art technology. With a full coverage of all makes of automobiles in North America, we offer OE or better quality fuel delivery system products.
Superior quality and 100% customer satisfaction are our priorities. Our products follow the strict standards of ISO9001/2000, ISO14001/2004 and ISO16949/2000. Please let me know if you'd be interested in recieving our catalog.
Feel free to contact me with any questions you might have.
Thank you for your time,
Robert Soto sales #9000
Airclin Automotive Corp.
122 S.sixth Ave.City of Industry, CA 91746
Tel:626330-1723direct;626330-1762; 626330-1712
Please visit our booth #30003 at Las Vegas AAPEX Show Oct. 30 - Nov. 1, 2012
September 18, 2012
  Followup from the Pelican Staff: Thanks for the additional info. We appreciate it. - Nick at Pelican Parts  
jr Comments: i have change the fuse boxes and cross the wires for ignition and the car got fuel pump noise but no fire to the coil can anyone help this mess up on a 1977 porsche 911
October 29, 2010
  Followup from the Pelican Staff: I would grab a wiring diagram and check the wire to pin assigments. You likely have something misplaced. - Nick at Pelican Parts  
wily fox Comments: After having a porsche 928 with CIS for a long time.I thought I would let others know what I did to keep my CIS system in good condition over the years. I was wary that water and contaminants in the fuel would cause issues so I fitted a CAV Diesel filter which has a glass bowl to show any water which can be tapped off to prevent any corrosion in the system. It always surprises me how much condensation can end up in ones tank if if its not kept full especially in colder climates. I always have run a fuel additive which leaves a very thin film in the pipes,galleries and in the fuel head etc. So far have never had problems with the system even after having it standing for some time. The additive I use stabilises the fuel evidently quite well.
September 10, 2009
  Followup from the Pelican Staff: Thanks for the Info. We appreciate it. - Nick at Pelican Parts  

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Page last updated: Fri 3/16/2018 02:21:35 AM