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MK3 / A70 markets
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Troubleshooting assistant

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

Diagnostic codes
Searching in 1990 USDM TSRM.
Areas /Low oil pressure
Lubrication System

Low oil pressure

Low engine oil pressure.

Possible causes and remedies
Possible cause
Oil leakage
Remedy
Repair as necessary
Possible cause
Relief valve faulty
Remedy
Repair relief valve
Possible cause
Oil pump faulty
Remedy
Repair oil pump
Possible cause
Engine oil poor quality
Remedy
Replace engine oil
Possible cause
Crankshaft bearing faulty
Remedy
Replace bearing
Possible cause
Connecting rod bearing faulty
Remedy
Replace bearing
Possible cause
Oil filter clogged
Remedy
Replace oil filter