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2008 Audi A6 Quattro 3.2L Poor Idle Quality, Hesitation, Surge, Misfire, Poor Fuel Economy, MIL Lamp on
Posted to European Driveability on 6/5/2023 5 Replies

the car came in as a no start and my coworker diagnosed it as a relay and starter. after the starter and relay where put in still didn't start. found that the wire coming out of the ecu to the starter was not giving signal. replaced the ecu and than there ...

5 Replies Received (View Replies)

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car Vehicle Data

2008 Audi A6 Quattro

VIN WAUDH74FX8
Engine3.2 L / 6 cyl / GAS
Trans6-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Hesitation, Surge, Misfire, Poor Fuel Economy, MIL Lamp On
OccursAlways, Under Load

Trouble Codes

P087:fuel/ rail system - too low- open circuit/short circuit to ground
P2296Fuel Pressure Solenoid 2 Control Circuit High
P2404EVAP System Leak Detection Pump Sensor Circuit Range/Performance
P50A:cold start idle air control system performance- short circuit to ground
Message Closed

car Vehicle Data

2008 Audi A6 Quattro

VIN WAUDH74FX8
Engine3.2 L / 6 cyl / GAS
Trans6-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Hesitation, Surge, Misfire, Poor Fuel Economy, MIL Lamp On
OccursAlways, Under Load

Trouble Codes

P087:fuel/ rail system - too low- open circuit/short circuit to ground
P2296Fuel Pressure Solenoid 2 Control Circuit High
P2404EVAP System Leak Detection Pump Sensor Circuit Range/Performance
P50A:cold start idle air control system performance- short circuit to ground