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Audi A3 fault code help
08-23-2017, 01:34 PM
Post: #1
Audi Audi A3 fault code help
cheer mates,
i have an audi A3 8P 2.0 fsi, BLR engine.
fault code 01255/ P310B low fuel regulation,fuel pressure outside speification.
i replaced the fuel delivery pump in tank and the high pressure pump on the engine but no success yet..
some assistance please.
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08-23-2017, 01:46 PM
Post: #2
RE: Audi A3 fault code help
Fuel pressure sensor is returning a fuel pressure lower than expected.
You have replaced pumps so assuming they are good, check fuel filter is in good condition and for correct pressure rating. Check validity of fuel pressure sensor using diagnostic live data to show that sensor, wiring and ECU are good.
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08-24-2017, 07:34 PM
Post: #3
RE: Audi A3 fault code help
(08-23-2017 01:34 PM)rkyagiemsn Wrote:  cheer mates,
i have an audi A3 8P 2.0 fsi, BLR engine.
fault code 01255/ P310B low fuel regulation,fuel pressure outside speification.
i replaced the fuel delivery pump in tank and the high pressure pump on the engine but no success yet..
some assistance please.

http://wiki.ross-tech.com/wiki/index.php/P310B/012555

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