2002 Chevrolet S-10 Repair Question
Topics covered: Engine, Exhaust, Exhaust leak.
Mileage: 106,000 miles.
Mileage: 106,000 miles.
Asked on December 28, 2012
Chevrolet S-10 Engine Problem
I have a S10 pick with a 4.3L runs rich on both banks does have service engine light on.
Asked by sal ozgonAnswer
Replied on December 28, 2012
There may be a leak in the exaust near the oxygen sensors making it think it is running lean so it is dumping extra fuel cauising the rich situation. Look ofr exhaust leaks or the pressure regulator may be bad. Have the fuel pressure checked.
