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Taking Care of the Unexpected
208
If Your Engine Quits or Won’t
Start
SYMPTOM: Engine starts, but runs poorly.
POSSIBLE CAUSE WHAT TO DO
high coolant
temperature
Check the coolant
temperature gauge (Except
TRX420TM1) and high coolant
temperature indicator. Refer
to
If the High Coolant
Temperature Indicator Lights
,
page 213.
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 119) 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.
SYMPTOM: Engine starts, but runs poorly or dies when
hot.
POSSIBLE CAUSE WHAT TO DO
poor or inadequate
fuel flow due to
clogged fuel filter
See your dealer.
(ensure clean fuel supply)
20 TRX420TM1 FM1 FM2-31HR36600.book 208 ページ ２０１９年４月５日 金曜日 午前１１時５６分
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