Symptom Troubleshooting Index

SYMPTOM TROUBLESHOOTING INDEX

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 FRONT ). 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 ).
Low oil pressure indicator does not come on with the ignition switch in ON (II)	Do the low oil pressure indicator circuit troubleshooting procedure (Short) (see LOW OIL PRESSURE INDICATOR CIRCUIT TROUBLESHOOTING (SHORT) ). Test the oil pressure switch (see OIL PRESSURE SWITCH TEST ).	A wire shorted to ground between the PCM and the oil pressure switch
Low oil pressure indicator stays on	Check the engine oil level (see OIL PRESSURE TEST ). Do the low oil pressure indicator circuit troubleshooting procedure (Open) (see LOW OIL PRESSURE INDICATOR CIRCUIT TROUBLESHOOTING (OPEN) ).	An open in the wire between the PCM and the oil pressure switch