
2008 Porsche Cayenne S 4.8L Poor Idle Quality, Misfire
We have this Porsche with a misfire on #5 cylinder at idle, we have tried swapping plugs and coils, removed the intake and cleaned the carbon on the valves. Even swapped the injectors. Still has misfire at idle , runs good down the road. Compression is goo...
Summary posted 4/5/2023
![]()
iATN Members:
Login to view full TechHelp request Auto Repair Pros: Join iATN to read this TechHelp request Vehicle Owners: Find a nearby iATN member to repair your vehicle (View Replies)12 Replies Received(Hide Replies)12 Replies Received
|
Message Closed w/Summary
|
VIN | WP1AB29P38 |
Engine | 4.8 L / 8 cyl / GAS |
Trans | 6-speed Automatic (Electronic) |
Delivery | Fuel Injection |
Emissions | OBD-II Compliant |
Symptoms | Poor Idle Quality, Misfire |
Occurs | Idle |
Message Closed w/Summary
Vehicle Data
2008 Porsche Cayenne S
VIN | WP1AB29P38 |
Engine | 4.8 L / 8 cyl / GAS |
Trans | 6-speed Automatic (Electronic) |
Delivery | Fuel Injection |
Emissions | OBD-II Compliant |
Symptoms | Poor Idle Quality, Misfire |
Occurs | Idle |