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2009 Cadillac CTS 3.6L Poor Idle Quality
Posted to GM Driveability on 3/13/2023 8 Replies

The car has no check engine lights and misfire counters stay at zero. the car idles rough but runs fine on the road. the fuel trim seems fine just a bit rich.

8 Replies Received (View Replies)

  Related Documents & Media  2009 Cadillac CTS

 
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car Vehicle Data

2009 Cadillac CTS

VIN 1G6DV57V09
Engine3.6 L / 6 cyl / GAS
Trans6-speed Automatic (Electronic)
DeliveryFuel Injection / DI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality
OccursIdle
Message Closed

car Vehicle Data

2009 Cadillac CTS

VIN 1G6DV57V09
Engine3.6 L / 6 cyl / GAS
Trans6-speed Automatic (Electronic)
DeliveryFuel Injection / DI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality
OccursIdle