Vehicles using Mitsubishi 6G72 engine list:

Engine Mitsubishi 6G72

Symptoms:
- Rough idling and stalling
- Loss of power and poor acceleration
- Engine overheating
- Excessive oil consumption or leaks
- Hard starting or misfires

Diagnosis:
- Check for vacuum leaks around intake manifold and hoses
- Inspect ignition system components: spark plugs, wires, distributor cap, and rotor
- Test fuel injectors and fuel pressure regulator for proper operation
- Monitor coolant temperature and inspect radiator, thermostat, and water pump
- Perform compression test to assess cylinder health
- Scan for any stored fault codes if equipped with OBD system

Fixes:
- Replace worn or cracked vacuum hoses and gaskets to eliminate leaks
- Change spark plugs and ignition components as needed to restore proper firing
- Clean or replace fuel injectors and repair fuel system issues to ensure correct fuel delivery
- Flush cooling system, replace thermostat, and repair or replace faulty water pump or radiator to prevent overheating
- Repair oil leaks by replacing valve cover gaskets, oil seals, or worn engine components
- Address compression issues by servicing valves, piston rings, or head gasket replacement if necessary

Prevention:
- Regularly change engine oil and use manufacturer-recommended oil grade to maintain lubrication
- Replace air and fuel filters at recommended intervals to prevent contamination
- Maintain cooling system by checking coolant levels and condition, and replacing coolant periodically
- Inspect ignition system components periodically and replace before failure
- Avoid prolonged idling and aggressive driving to reduce engine stress
- Follow scheduled maintenance and address minor issues promptly to prevent major failures