Engine Has Low Power
- Leaking fuel pump.
- Sticking valves, weak valve springs, incorrect valve timing or worn camshaft lobes.
- Excessive piston-to-bore clearance.
- Blown head gasket.
- Improper power steering glow control valve operation.
- Clutch slipping on manual transmission.
- Engine overheating.
- Improper pressure regulator valve operation on automatic transmission.
- Improper automatic transmission fluid level.
- Improper operation of diverter valve.
- Vacuum leaks.
- Leaking piston rings.