2017 GMC Terrain
Mileage
166,551
Service Date
4/28/2023
Services Performed
- Scanned the Engine Control Module (ECM) for diagnostic trouble codes and retrieved P0304 – Misfire Cylinder 4 Detected. Removed the intake manifold, removed the valve cover and inspected for damage, found broken intake valve spring on cylinder 4. Recommend to remove cylinder and send to machine shop to inspect cylinder heads for any further damage. Customer declined repairs at this time.
Amanda C. gave our service a 5 star review on 5/1/2023
