2009 Cadillac CTS 3.6L Poor Idle Quality
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.
FIX posted 3/23/2023
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Vehicle Data2009 Cadillac CTS
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Vehicle Data
2009 Cadillac CTS
VIN | 1G6DV57V09 |
Engine | 3.6 L / 6 cyl / GAS |
Trans | 6-speed Automatic (Electronic) |
Delivery | Fuel Injection / DI |
Emissions | OBD-II Compliant |
Symptoms | Poor Idle Quality |
Occurs | Idle |