Car Problem Reports
Buick Lucerne Engine misfires, runs rough, stalls unexpectly, no failure code
Buick Lucerne Problem
Model Year Affected: 2008
Engine Affected: 3.8L V6
Car would begin to misfire, run rough, and stall after being driven for awhile. Sometimes door locks would chatter or other odd electrical problems. Poor connection of main harness into distribution box beneath the back seat. Replace connector and distribution box. Warning: Unburnt fuel in exhaust from initial problem will lead to catalytic converter failure.