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2008 Porsche Cayenne 3.6L Poor Idle Quality, Surge, Misfire, MIL Lamp on
Posted to European Driveability on 12/8/2013 9 Replies

In need of assistance. I've got this 2008 Cayenne V6 3.6 DFI with fault code P0674 (P12A2) fuel pressure sensor. I have replaced the tank pumps and filter due to one pump failing. Fault clears but returns. Starts up rough and sets misfire codes. I am using Dur...

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  Related Documents & Media  2008 Porsche Cayenne

 
Message Closed w/FIX

car Vehicle Data

2008 Porsche Cayenne

VIN WP1AA29P18
Engine3.6 L / 6 cyl / GAS
Trans6-speed Automatic (Electronic)
DeliveryFuel Injection / Direct fuel injection
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Surge, Misfire, MIL Lamp On
OccursCold, Hot, Idle
Misc.Direct Fuel Injection

Trouble Codes

P0674Glow Plug 4 Plug Or Harness Defective
P12A2Porsche fault- fuel pressure sensor upper limit exceeded
Message Closed w/FIX

car Vehicle Data

2008 Porsche Cayenne

VIN WP1AA29P18
Engine3.6 L / 6 cyl / GAS
Trans6-speed Automatic (Electronic)
DeliveryFuel Injection / Direct fuel injection
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Surge, Misfire, MIL Lamp On
OccursCold, Hot, Idle
Misc.Direct Fuel Injection

Trouble Codes

P0674Glow Plug 4 Plug Or Harness Defective
P12A2Porsche fault- fuel pressure sensor upper limit exceeded