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2001 Audi A6 Quattro 2.7L Poor Idle Quality, Misfire, MIL Lamp on
Posted to European Driveability on 7/31/2012 7 Replies

Hi there have an audi that has been running rough at times,it sets codes 16487/17539/ and codes for all missfires on all [...] the transmission computer and abs computer you also get a 1857 code and when driving if the abs light t funny and at and idle it runs...

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car Vehicle Data

2001 Audi A6 Quattro

VIN WAUED64B51
Engine2.7 L / 6 cyl / GAS
Trans5-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Misfire, MIL Lamp On
OccursIntermittently

Trouble Codes

16487Mass air flow sensor to high
16685Missfire 1 cylender
16687Missfire 3 cylender
16688Missfire 4 cylender
17539Oxygen sensor b2 sensor1
1857Ecu error intrasmission and abs computer
Message Closed

car Vehicle Data

2001 Audi A6 Quattro

VIN WAUED64B51
Engine2.7 L / 6 cyl / GAS
Trans5-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Misfire, MIL Lamp On
OccursIntermittently

Trouble Codes

16487Mass air flow sensor to high
16685Missfire 1 cylender
16687Missfire 3 cylender
16688Missfire 4 cylender
17539Oxygen sensor b2 sensor1
1857Ecu error intrasmission and abs computer