ENGINE TROUBLESHOOTING 81
7/26E, 7/31E, 7/41
Improper exhaust
Excessive black smoke
Clogged air cleaner.
Damaged injector nozzle.
Wrong injector nozzle.
Injection timing incorrect.
Excessive injection volume.
Incorrect fuel.
Excessive white smoke
Water mixing in fuel
Low compression pressure.
Injection timing incorrect.
Low coolant temperature
Faulty turbocharger
Battery over discharge
Low electrolyte level
Crack in battery body.
Natural consumption.
Charging failure
Loose or damaged belt.
Faulty alternator.
Damaged wiring or contact failure.
Excessive electrical loads Insufficient battery capacity for the application.
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