Check engine light
Just had my first major issue with my 2012 GC V6. The check engine light was intermittent and had a slight shudder when idling, so I had my second service due and got it checked. It seems there is an issue with sticking valves and the fix is a complete head replacement.....will update progress when works complete...
My Reality Check Bounced
Heads are a fairly common fault of the V6. Many have been replaced under warranty, and there are tons of threads on the subject.
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