Symptom Troubleshooting Index

SYMPTOM TROUBLESHOOTING REFERENCE TABLE

Symptom	Diagnostic procedure	Also check for
Excessive engine oil consumption	Verify the engine oil filler cap, the oil drain bolt, and the oil filter are tight. Check for oil leaks. Check for worn valve guide(s) (see VALVE STEM-TO-GUIDE CLEARANCE INSPECTION ) or worn valve stem seal(s) (see VALVE, SPRING, AND VALVE SEAL REMOVAL ). Check for damaged or worn piston ring(s) (see PISTON RING REPLACEMENT ). Check for damaged or worn engine internal parts (cylinder wall, pistons, etc.) (see BLOCK AND PISTON INSPECTION ).	Check the maintenance records, worn out engine oil will burn off at a higher rate
Low oil pressure indicator does not come on with the ignition switch in ON (II)	Do the low oil pressure indicator does not come on with the ignition switch in ON (II) procedure (see SYMPTOM TROUBLESHOOTING ).	An open in the wire between the powertrain control module (PCM) and the rocker arm oil pressure sensor
Low oil pressure indicator stays on	Check the engine oil level. Do the low oil pressure indicator stays on procedure (see SYMPTOM TROUBLESHOOTING ).	A wire shorted to ground between the PCM and the rocker arm oil pressure sensor