- Technician checked the engine light scanned the PCM and found code P0301. Started the engine and noticed there is tapping sound from the engine and there is misfire. Checked the spark plugs. Checked the fuel injectors. Checked the ignition coils and wires and no problem found. Checked the compression and leak down test and noticed the number 1 cylinder valves not opening. Removed valve cover, checked the valvetrain and notice the number 1 cylinder push rods are loose. Suspect the camfallower is broken. Needs to remove the heads and replace cam followers. Customer authorized to fix it by the phone
- Disassembly the engine, removed cylinder heads, replaced active fuel management system deactivation cylinders valve lifters/camfollowers, replaced cylinder head gasket set, spark plugs, water pump, thermostat and reassembly the engine.
Erik W. gave our service a 5 star review on 1/23/2023