TROUBLESHOOTING
96
Low Engine Oil Pressure
Possible Cause Remedy
Insufficient oil in system. Check and add oil.
Excessive oil in system (causing it to
become aerated).
Check and bring oil to required level.
Check for cause of excessive oil
(improper filling, defective fuel pump,
etc.).
Diluted or improper viscosity oil.
Change oil and oil filter, using correct
grade and viscosity oil. Determine
cause for dilution (excessive idling,
faulty fuel pump, etc.).
Faulty gauge or sender.
Test with mechanical shop gauge; test
sender.
Excessive oil temperature. Faulty oil thermostat.
Engine mechanical: oil pump, excessive
bearing clearance, etc.
Repair as necessary.
Battery Will Not Come Up On Charge
Possible Cause Remedy
Excessive current draw from battery. Turn off non‑essential accessories.
Loose or dirty electrical connections or
damaged wiring.
Check all associated electrical
connections and wires (especially
battery cables). Clean and tighten faulty
connections. Repair or replace
damaged wiring.
Alternator drive belt loose or in poor
condition.
Replace and/or adjust.
Defective battery. Test battery.
Power Trim Does Not Operate (Motor Doesn't Run)
Possible Cause Remedy
Open fuse. Replace fuse.
Loose or dirty electrical connections or
damaged wiring.
Check all associated electrical
connections and wires (especially
battery cables). Clean and tighten faulty
connections. Repair or replace
damaged wiring.
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