2001 Cadillac SLS Repair Question
Topics covered: Auto parts, Engine, Rough idle.
Mileage: 120,000 miles.
Mileage: 120,000 miles.
Asked on January 25, 2012
What do i need to check for?
Sudden rough idle w/ service engine light on
Answer
Replied on January 25, 2012
Start by checking for diagnostic fault codes. They will get you into the circuit or system that needs further diagnosis. Many auto parts stores will read the codes for you for free.