2005 Buick Rendezvous Repair Question
Topics covered: Engine, Exhaust, Runs rough.
Mileage: 13,600 miles.
Mileage: 13,600 miles.
Asked on November 18, 2012
Buick Rendezvous Engine Problem
Engine runs rough sometimes, engine code is, bank1 system lean
Asked by (pending member)Answer
Replied on November 18, 2012
could be a leak in the exhaust near an oxygen sensor making the ECU think that it is running lean. Check the exhaust for cracks or leaks near oxygen snesors.
