10.0
00497R0990 - 15-07-2000
D IE S E L
6. TROUBLESHOOTING TABLE
PROBABLE CAUSE
Fails to start
Starts and stops
Poor efficiency
Blocked
Noisy
Blue smoke
White smoke
Black smoke
Knocks cas.zone
Spark pings
Hunts
Consumes oil
Oil lev. inc.
Disch. oil/exhaust
Disch. oil/air fil.
Heats
Misfires
Does not accel.
DEFECT
Air filter clogged
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C on rod sm all end w ith excessive play
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Engine running in
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U nsuitable fuel
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Air intaken by injection pum p
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Fuel filter clogged
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Fuel tank em pty
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Worn m ain bearing
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C learance insufficient
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C learance excessive
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Tim ing system gears defective
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H ead and cylinder fins clogged
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Valve guides worn
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Piston seized
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C ylinder worn
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Excessive rocker arm play
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R egulator spring defective
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Pipe clogged
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Incorrect injection lead
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Injection pum p defective
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Injection pum p valve defective
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Intake valve w ithout play
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Injector defective
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Injector with clogged holes
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O il splash guard seals defective
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Exhaust valve burnt out
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Worn m ain or big-end bearing
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Excessive load
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R egulator lever w ith too m uch play
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Tank plug hole blocked
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Too m uch oil in casing
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H ardened injection pum p lever
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Worn piston rings
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Slack pum p delivery union
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Engine cold
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Low idling rate
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C hange rate insufficient
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