Turbocharger Symptoms
ABNORMAL TURBOCHARGER OPERATION OR VIBRATION
1. Defective or damaged bearings.
2. Interference of rotating parts with surrounding objects.
3. Incorrect oil change periods.
4. Foreign material in oil system.
5. Restricted or damaged oil filter.
6. Abrupt starts and/or stops.
7. Broken turbine or compressor wheels.
LOW TURBOCHARGER OUTPUT
1. Leaking exhaust system.
2. Excessive back pressure, caused by deformed or restricted exhaust pipe and/or muffler.
3. Air leakage at compressor discharge side.
4. Restricted air cleaner element.
5. Binding turbine or compressor wheel.
6. Wastegate valve or relief valve stuck open.
WHITE EXHAUST SMOKE
1. Engine oil leakage from turbocharger into exhaust system.
2. Damaged or deformed oil return pipe.
3. Worn turbocharger piston oil seal ring.
4. Damaged bearings.