Vehicles using OM628.962 engine list:

Engine OM628.962

Symptoms:
- Rough idling and loss of power
- Excessive smoke from the exhaust (black or blue)
- Engine warning light illumination
- Oil leaks around the valve cover and turbocharger area
- Hard starting or misfires

Diagnosis:
- Check for turbocharger boost leaks or failure, as the turbo is prone to wear
- Inspect the valve cover gasket and camshaft seals for oil leaks
- Perform a compression test to assess cylinder health
- Scan for fault codes related to fuel injection and EGR system
- Examine the glow plugs and wiring for proper operation

Fixes:
- Replace worn turbocharger components or the entire turbo if necessary
- Renew valve cover gasket and camshaft seals to stop oil leaks
- Clean or replace clogged EGR valves to restore proper exhaust gas recirculation
- Replace faulty glow plugs to improve cold starts
- Service fuel injectors to ensure correct fuel delivery and reduce smoke

Prevention:
- Use high-quality engine oil and change it regularly to protect turbo and engine internals
- Maintain the cooling system to prevent overheating and gasket failures
- Avoid prolonged idling and allow the engine to warm up before heavy loads
- Regularly inspect and clean the EGR system to prevent clogging
- Follow manufacturer service intervals for fuel and air filters to maintain engine efficiency