Taking Care of the Unexpected
206
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 211.
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.
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)
19 TRX420TM1 FM1_31HR3650.book Page 206 Tuesday, April 3, 2018 11:37 AM
Summary of Contents for FourTrax Rancher TRX420FM1 2019
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Page 72: ...Before Riding 62 19 TRX420TM1 FM1_31HR3650 book Page 62 Tuesday April 3 2018 11 37 AM...
Page 200: ...Servicing Your Honda 190 19 TRX420TM1 FM1_31HR3650 book Page 190 Tuesday April 3 2018 11 37 AM...
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