• Mar 2, 2026 mitsubishi 4g69 engine manual ct the spark plug wires or ignition coils. Use a spark plug socket to remove the old plugs. Check the gap on new plugs and install them. Reconnect wires or coils and ensure everything is secure. Cooling System Maintenance Check coolant level in the reservoir and radiator. Perform a coolant flush if BY Leah Ernser
