AET motorral szerelt járművek listája:

Engine AET

Symptoms:
- Rough idling and loss of power
- Excessive smoke from the exhaust, especially black smoke
- Difficulty starting the engine or extended cranking time
- Increased fuel consumption
- Engine warning light illumination

Diagnosis:
- Check for clogged or dirty fuel injectors causing poor fuel atomization
- Inspect the EGR (Exhaust Gas Recirculation) valve for carbon buildup leading to malfunction
- Test the glow plugs for proper operation, as faulty glow plugs affect cold starts
- Examine the turbocharger for wear or damage, which can reduce boost pressure
- Verify the condition of the air filter and intake system for restrictions
- Scan the engine control unit (ECU) for stored fault codes related to sensors or actuators

Fixes:
- Clean or replace fuel injectors to restore proper fuel delivery
- Remove and clean the EGR valve or replace if necessary to prevent exhaust flow issues
- Replace faulty glow plugs to improve cold start performance
- Repair or replace the turbocharger if boost pressure is insufficient
- Replace clogged air filters and ensure intake pathways are clear
- Address any ECU-related faults by repairing wiring or replacing sensors as indicated

Prevention:
- Regularly service the fuel system including injector cleaning at recommended intervals
- Use high-quality diesel fuel to minimize deposits and injector clogging
- Perform routine EGR valve inspections and cleanings to prevent carbon buildup
- Replace air filters as per maintenance schedule to ensure proper airflow
- Monitor engine performance and address warning lights promptly to avoid further damage
- Follow manufacturer’s maintenance guidelines strictly for the Multivan, California, Caravelle, and Kombi T4 models with the AET engine to ensure longevity and reliability