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P310B Diagnostic Trouble Code Discussion for August 2014


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Trouble Ticket Help Requests for DTC P310B
Help Request Posted
2008 Audi S5 4.2L Poor Idle Quality, Surge, Cuts out, Misfire, MIL Lamp on VIN: WAURV78T08
P310B: Low fuel pressure regulation. ... 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 banks. I checked for vac leaks ...
August 04, 2014
2008 Audi S5 4.2L Poor Idle Quality, Surge, Cuts out, Misfire, MIL Lamp on VIN: WAURV78T08
P310B: Low fuel pressure regulation. ... 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 banks. I checked for vac leaks ...
August 08, 2014