
2008 Audi S5 4.2L Poor Idle Quality, Surge, Cuts out, Misfire, MIL Lamp on
This audi came in for stalling and running rough. Found that in tank pump was being duty cycled at over 72% , replaced and brought it down to 59-60%. Same poor drivability stumbling snd rough idle. Found that fuel trims in datablock 107 are pinned at 25% both ...
FIX posted 8/14/2014
![]()
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)10 Replies Received(Hide Replies)10 Replies Received
|
Message Closed w/FIX
|
VIN | WAURV78T08 |
Engine | 4.2 L / 8 cyl / GAS |
Trans | 6-speed Standard |
Delivery | Fuel Injection / FSI |
Emissions | OBD-II Compliant |
Symptoms | Poor Idle Quality, Surge, Cuts Out, Misfire, MIL Lamp On |
Occurs | Always |
Trouble Codes
P310B | Low fuel pressure regulation |
Message Closed w/FIX
Vehicle Data
2008 Audi S5
VIN | WAURV78T08 |
Engine | 4.2 L / 8 cyl / GAS |
Trans | 6-speed Standard |
Delivery | Fuel Injection / FSI |
Emissions | OBD-II Compliant |
Symptoms | Poor Idle Quality, Surge, Cuts Out, Misfire, MIL Lamp On |
Occurs | Always |
Trouble Codes
P310B | Low fuel pressure regulation |