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Oil Pressure Warning Light Symptom Diagnosis

OIL PRESSURE WARNING LIGHT SYMPTOM DIAGNOSIS

Condition Possible cause Correction / Reference Item
Oil pressure warning light does not light up when ignition switch is turned to ON position at engine off  Oil pressure switch faulty Check oil pressure switch referring to " OIL PRESSURE SWITCH ON-VEHICLE INSPECTION  :". 
Wiring or grounding faulty Repair circuit. 
Combination meter faulty Replace combination meter. 
Oil pressure warning light stays on when engine is running Insufficient engine oil level  Refill engine oil.
Oil pressure switch faulty Check oil pressure switch referring to " OIL PRESSURE SWITCH ON-VEHICLE INSPECTION  :". 
Wiring or grounding faulty Repair circuit. 
Combination meter faulty Replace combination meter.