Vehicles using M275.982 engine list:

Engine M275.982

Symptoms:
- Rough idling and misfires
- Loss of power or hesitation during acceleration
- Excessive oil consumption or visible oil leaks
- Unusual knocking or ticking noises from the engine
- Check engine light illumination with related fault codes

Diagnosis:
- Inspect ignition coils and spark plugs for wear or failure, as misfires are common
- Perform a compression test to check for cylinder sealing issues
- Check for oil leaks around valve covers, turbochargers, and oil cooler seals
- Scan for fault codes related to camshaft position sensors, crankshaft sensors, or fuel system
- Examine turbochargers for shaft play or boost pressure irregularities

Fixes:
- Replace faulty ignition coils and spark plugs to resolve misfires and rough running
- Repair or replace leaking gaskets and seals to stop oil leaks and prevent further damage
- Service or replace turbochargers if boost pressure is insufficient or if mechanical damage is detected
- Clean or replace sensors causing engine management faults
- Address any timing chain tensioner or guide wear to prevent timing issues

Prevention:
- Adhere to regular maintenance schedules, including timely oil and filter changes with manufacturer-approved fluids
- Use high-quality fuel and avoid extended idling to reduce carbon buildup
- Periodically inspect ignition components and replace before failure
- Monitor oil levels frequently to detect leaks early
- Ensure cooling system is functioning properly to avoid overheating and related engine damage

By following these diagnostic steps and maintenance practices, owners of vehicles equipped with the M275.982 engine can minimize common issues and maintain reliable performance.