Idle rough and check engine light comes on after a few minutes of idling.
Check the throttle body inside .
look and see if its all black around the butterfly inside there.
thats the throttle thing that opens and closes with the gas ped being pressed.
if its all caked up around the plate then spray it clean and wipe with a clean rag it should be nice and clean in there and then change to super unleaded fuel only.put a obd2 comp on the car and give me the codes so i can help you further.autozone can get and give you the codes for free.
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