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2005 Audi S4 4.2L Poor Idle Quality, Misfire, MIL Lamp on
Posted to European Driveability on 12/29/2010 9 Replies

This car has me running circles! I have done fuel pressure, compression and smoke tests, all good. removed intake to investigate, found nothing. replaced all coils and plugs with audi updated originals to no avail. then replace engine main harness. Missfires s...

9 Replies Received (View Replies)

  Related Documents & Media  2005 Audi S4

 
Message Closed w/FIX

car Vehicle Data

2005 Audi S4

VIN WAUPL58E35
Engine4.2 L / 8 cyl / GAS
Trans6-speed Standard
DeliveryFuel Injection / sfi
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Misfire, MIL Lamp On
OccursAlways

Trouble Codes

16684random missfire
16689cyl 5 missfire
16690cyl 6 missfire
16691cyl 7 missfire
Message Closed w/FIX

car Vehicle Data

2005 Audi S4

VIN WAUPL58E35
Engine4.2 L / 8 cyl / GAS
Trans6-speed Standard
DeliveryFuel Injection / sfi
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Misfire, MIL Lamp On
OccursAlways

Trouble Codes

16684random missfire
16689cyl 5 missfire
16690cyl 6 missfire
16691cyl 7 missfire