Troubleshooting assistant

Pick a problem area, choose the symptom, then follow the remedy links or step-by-step TSRM procedure.

Engine Mechanical

Excessive oil consumption

Engine uses too much oil.

Possible causes and remedies

Possible cause

Oil leak

Remedy

Repair as necessary

LU-7

Possible cause

PCV line clogged

Remedy

Check PCV system

EC-5

Possible cause

Piston rings worn or damaged

Remedy

Check rings

EM-63

Possible cause

Valve stem and guide worn

Remedy

Check valves

EM-32

Possible cause

Valve stem seal worn

Remedy

Check seals

EM-32