3---2
INDICATION/
REFERENCE
TROUBLE
POSSIBLE CAUSES
PARAGRAPH
3.1.3Starter Motor Malfunction
a. Starter motor
Battery insufficiently charged
Charge
will not crank or
Battery cable connections loose or oxidized
Check
turns slowly
Battery cables defective
Replace
Starter brushes shorted out
Engine Manual
Starter brushes hang up, defective or
have no contact
Engine Manual
Starter solenoid damaged
Engine Manual
Ignition switch defective
Replace
Engine lube oil too heavy
1.4.j
b. Starter motor
Pinion or ring gear obstructed or worn
Engine Manual
turns but pinion
does not engage
c. Starter motor
Ignition switch defective
Replace
does not disengage
Starter motor solenoid defective
Engine Manual
after switch has
been released
d. Pinion does not
Defective starter
Engine Manual
disengage after
engine is running
3.1.4Malfunction In the Engine Starting Circuit
a. No power to
Battery defective
Correct
starter motor
Loose electrical connections
Tighten
solenoid
b. Fuel solenoid
Battery defective
Correct
does not energize or
Loose electrical connections
Tighten
does not remain
Water temperature safety switch open
1.4
energized
Oil pressure switch defective
1.4
Run control relay defective
4.3.3
Fuel solenoid defective
4.3.3
Ignition switch defective
Replace
3.1.5Miscellaneous Engine Troubleshooting
a. Loss of power
Restriction in air cleaner
4.3.6
Air in fuel system
4.2
Air vent in fuel cap restricted
Clean
Restricted fuel lines
Engine Manual
Defective fuel injection pump
Engine Manual
Defective injector(s) or incorrect type
Engine Manual
Incorrect fuel injection pump timing
Engine Manual
Incorrect valve timing
Engine Manual
Poor compression
Engine Manual