the car misfires at idle, code says coils, they were changed problem still here on 2004 Cadillac SRX

the car runs rough only at idle after driving for about 50 miles and not all the time, had the coils replaced,thats what the code said please any info is welcome

by in Joliet, IL on September 29, 2013
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1 answer
ANSWER by , August 11, 2014
Many thing can cause misfires as simple as low and dirty oil and the cam actuators wont work properly or other things such as: Vacuum Leaks Cam Actuator PCM/ECM Wiring Engine Mechanical Fuel Injector Ignition Coil Spark Plug If you need it diagnosed and repaired and would like a FREE LOANER VEHICLE just call Roy 757-456-0722