- Worn or fouled spark plugs
- Faulty ignition wires or coil packs
- Distributor cap or rotor issues
2. Fuel system problems:
- Clogged fuel injectors
- Faulty fuel pump or pressure regulator
- Air leaks in the fuel system
3. Engine mechanical issues:
- Worn piston rings or cylinder walls
- Faulty valves or valve seals
- Head gasket leak
4. Transmission problems:
- Worn or damaged clutch (manual transmission)
- Faulty torque converter (automatic transmission)
5. Exhaust system issues:
- Clogged or damaged catalytic converter
- Exhaust manifold leaks
6. Turbocharger or supercharger problems:
- Faulty turbocharger or supercharger
- Boost leaks
