Vehicles using 2G engine list:

Engine 2G

Symptoms:
- Rough idling and stalling
- Poor fuel economy
- Difficulty starting the engine
- Loss of power or hesitation during acceleration
- Excessive exhaust smoke

Diagnosis:
- Check ignition components: spark plugs, ignition coil, distributor cap, and rotor for wear or damage.
- Inspect fuel system: fuel filter clogging, fuel pump operation, and carburetor or fuel injection system condition.
- Examine air intake system for leaks or blockages.
- Test compression to detect worn piston rings or valves.
- Look for vacuum leaks in hoses and gaskets.
- Check timing belt condition and timing settings.

Fixes:
- Replace worn or fouled spark plugs and ignition components.
- Clean or rebuild carburetor; replace fuel filter and repair fuel pump if necessary.
- Repair or replace cracked or leaking vacuum hoses and gaskets.
- Adjust or replace timing belt to ensure correct timing.
- Perform valve adjustment and replace valve seals if oil consumption or smoke is present.
- Conduct a compression test and rebuild or replace engine components if compression is low.
- Clean air filter or replace if clogged.

Prevention:
- Regularly replace spark plugs and ignition parts according to maintenance schedule.
- Change fuel filter periodically and use clean fuel.
- Maintain air filter cleanliness to ensure proper airflow.
- Inspect and replace timing belt at recommended intervals to prevent failure.
- Check for vacuum leaks during routine maintenance.
- Use quality engine oil and change it regularly to protect internal components.
- Keep carburetor or fuel injection system clean and properly adjusted.

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