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2005 Cadillac CTS 3.6L Poor Idle Quality, Misfire, MIL Lamp on
Posted to GM Driveability on 10/12/2010 2 Replies

Thanks in advance for all your help. car came in yester day running rough, scanned and found codes P0206,P0306, P0523, PO521, AND PO443, So we put in new a/c delco plugs and other shop put in autolite plugs. after replacing the plugh all of the codes went away...

2 Replies Received (View Replies)

  Related Documents & Media  2005 Cadillac CTS

 
Message Closed w/FIX

car Vehicle Data

2005 Cadillac CTS

VIN 1G60P567X5
Engine3.6 L / 6 cyl / GAS
Trans5-speed Automatic (Electronic)
DeliveryFuel Injection / SEFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Misfire, MIL Lamp On
OccursCold, Intermittently
Misc.4 Door

Trouble Codes

P0206Fuel Injector 6 Circuit Malfunction
P0306Cylinder 6 Misfire Detected
P0443EVAP Canister Purge Valve Circuit Malfunction
P0521Engine Oil Pressure Sensor Performance
P0523Oil Pressure Voltage Too High
Message Closed w/FIX

car Vehicle Data

2005 Cadillac CTS

VIN 1G60P567X5
Engine3.6 L / 6 cyl / GAS
Trans5-speed Automatic (Electronic)
DeliveryFuel Injection / SEFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Misfire, MIL Lamp On
OccursCold, Intermittently
Misc.4 Door

Trouble Codes

P0206Fuel Injector 6 Circuit Malfunction
P0306Cylinder 6 Misfire Detected
P0443EVAP Canister Purge Valve Circuit Malfunction
P0521Engine Oil Pressure Sensor Performance
P0523Oil Pressure Voltage Too High