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Taking Care of the Unexpected
202
If Your Engine Quits or Won’t
Start
SYMPTOM: Engine starts, but runs poorly.
POSSIBLE CAUSE WHAT TO DO
idles roughly, too
fast, stalls
Check engine idle adjustment
(page 146). If the problem
persists, see your dealer.
poor engine
performance at
altitudes above 3,000
feet (1,000 m)
Ask your dealer to modify the
carb
uretion with a high altitude
jet. Refer to High Altitude
Carburetor Adjustment,
page 227.
high oil/coolant
temperature
Check the high oil/coolant
temperature indicator. Refer to
If the High Oil/Coolant
Temperature Indicator Lights,
page 208.
runs erratically,
misfires
See your dealer.
blubbers (rich fuel
mixture)
See your dealer.
sooty exhaust (rich
fuel mixture)
See your dealer.
detonates or pings
under load
If applicable, switch to the
recommended octane
gasoline (page 117) or change
your brand of gasoline. If the
problem persists, see your
dealer.
afterfires (backfires) See your dealer.
pre-ignition (runs on
after ignition
switched OFF)
See your dealer.
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