2004 GMC Sierra
Mileage
246,969
Service Date
9/11/2025
Services Performed
- Found code P0301 for cylinder 1 misfire and code P0157 for oxygen sensor low voltage bank 2 sensor 2. Switch number 1 coil to number 2 cylinder, found number 2 cylinder to now have misfire. Recommend remove and replace number 2 ignition coil also recommend replacing spark plugs and wires due to age.
- IGNITION COIL – Remove & Replace – V8 Cylinder #1
- OXYGEN SENSOR – Remove & Replace – Bank 2 Sensor 2
- SPARK PLUGS – Remove & Replace – V8
KEITH G. gave our service a 5 star review on 9/20/2025
