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ENGINE TROUBLESHOOTING
Problem
No DC charge to starting battery.
High DC Charge to battery.
Starter stays energized after start.
Poor performance at generator speed.
Black exhaust smoke.
Blue exhaust smoke.
Check engine LED's are illuminated.
Speed LED's are illuminated-no flashing.
Pair of Speed LED's are illuminated-flashing.
Exterior alarm LED is illuminated.
The 6.5/5.0
MCG Service Manual
(#055743) is available as
a pdf download at www. westerbeke.com. This Service
Manual can also be purchased
in
hard copy from your
Westerbeke Dealer.
21
Possible Cause
1.Circuit fuse faulty/blown (two fuses).
2.Faulty circuit connection.
3.Faulty regulator/battery charger.
4.Bridge rectifier.
1.Battery charger misadjusted,
2.Faulty starter solenoid.
1.Faulty K1 relay.
2.Faulty starter solenoid.
1.Low octane fuel.
2.1ncorrect ignition timing.
3.Fuel supply issue.
4.High engine compartment temperature.
1.Dirty air screen.
2.Faulty injector.
1.Lube oil is diluted.
2.Crankcase breather tube is clogged.
3.High lube oil level.
1.Diagnostic software required.
1. Throttle shaft sticking.
2.1ntake manifold vacuum leak.
1.AC generator overload.
2.Fuel starvation.
1.Loose connection.
2.Faulty fire suppression shutdown devise.
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