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Page Title:
TABLE 4. TROUBLESHOOTING GUIDE - continued |
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 TABLE 4. TROUBLESHOOTING GUIDE (Continued)
REMEDY
PROBABLE CAUSE
TROUBLE
1. ENGINE (Continued)
Replace
distributor.
Spark advance stuck
High fuel consumption
(Continued)
Replace gasket.
Leaking fuel pump bowl
gasket
Report to designated
Low compression
authority.
Free-up and lubricate controls.
Carburetor controls sticking
Adjust carburetor throttle stop screw.
Engine idles too fast
Clean or replace spark plugs.
Spark plugs dirty
Replace coil or condenser.
Weak coil or condenser
Service or replace defective parts.
Clogged muffler, or bent
exhaust pipe
Tighten; if damaged, replace
Loose engine mounts, permitting
defective mounts.
engine to shake and raise fuel
level in carburetor
Correct driving practice.
High engine speeds, or excessive
High oil consumption
driving in low gear range
Replace leaking gaskets.
Oil leaks
Use new oil of proper grade.
Improper grade oil, or diluted
Oil
See "Engine overheats".
Overheating of engine causing
thinning of oil
Clean filter case thoroughly and
Oil filter clogged
replace element.
Report to designated authority.
Defective piston or rings,
excessive side clearance of
intake valves in guides,
cylinder bores worn (scored,
out-of-round, tapered); ex-
cessive bearing clearance, mis-
aligned connecting rods
Fill crankcase to prescribed level.
Insufficient oil supply
Low oil pressure
4-76
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