HELP! Engine Warning Light & Faults Audi S6 C6

Ross87

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I have recently purchased a 2007 Audi S6 C6 with 98k miles on the clock, pretty much my dream Audi.

There was a very bad oil leak from the oil filter and sump which the dealer kindly fixed free of charge and has stopped the leak.

The car however has thrown an engine warning light and I'm looking for help on what might be the cause. The engine appeared to be rough running on standard E10 unleaded, moving over to E5 super unleaded petrol seems to have helped but the revs occasionally bounce on idle which worries me about timing chain but it's intermittent so I'll bury my head in the sand on that one for now.

I have used VCDS to uncover a myriad of engine faults, this is the first time I've used VCDS and I'm looking for someone to point me in the direction of what the cause of these faults and the engine light might be, if at all possible... The faults are as follows;

01: Engine
005715 - Please check DTC Memory of ABS Controller - P1653 - 008 - - Intermittent
012555 - Low Pressure Fuel regulation - P310B - 002 - Fuel Pressure Outside Specification - Intermittent
000010 - Camshaft Positioner (Bank 1 Intake) - P000A - 008 - Slow Response
000020 - Bank 1: Camshaft B (Exhaust) - P0014 - 004 - ****** Setpoint not Reached (Over-Advanced) - Intermittent
000023 - Bank 1: CMP Sensor 3 (G300) / Engine Speed Sens (G28) - P0017 - 002 - Incorrect Correlation - Intermittent
008756 - Oxygen (Lambda) Sensor B2 S1 - P2234 - 004 - Signal Shorted to Heater Circuit - Intermittent
006435 - Please Check DTC Memory of ECU Number 2 - P1923 - 008 -

11: Engine II
005715 - Please check DTC Memory of ABS Controller - P1653 - 008 - - Intermittent
004230 - Mixture Regulation; Bank 4; Range 2 - P1086 - 001 - Lean Limit Exceeded
004226 - Mixture Regulation; Bank 3; Range 2 - P1082 - 001 - Lean Limit Exceeded - MIL ON
000768 - Random/Multiple Cylinder Misfire Detected - P0300 - 008 - - Intermittent
000769 - Cylinder 1 - P0301 - 008 - Misfire Detected - Intermittent
000773 - Cylinder 5 - P0305 - 008 - Misfire Detected - Intermittent
000770 - Cylinder 2 - P0302 - 008 - Misfire Detected - Intermittent
000771 - Cylinder 3 - P0303 - 008 - Misfire Detected - Intermittent

Thanks in advance for any pointers you can give.
Ross
 

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