- Buick Ownership
- 2011 enclave
This is my first ever post in a forum but I’m at my wits end... over the last 2 years this enclave has had two sets of plugs and coils, all new fuel injectors, a new valve gasket as oil was leaking in the chambers, and new right bank catalytic converter. The misfiring has gotten so bad I most recently took it to a shop outside of a GM dealer and they said it’s probably bad carbon build up so they did a top engine clean...no check engine light and she ran great for 2 days! Over the period of two weeks it got so bad that it is almost not driveable. I don’t know what to do. I would appreciate any incite at all.