Honda FourTrax Rubicon TRX520FA5 2020, Owner'S Manual

Page: 230 / 292

Taking Care of the Unexpected
220
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 and high
coolant temperature indicator.
Refer to
If the High Coolant
Temperature Indicator Lights
,
page 230.
runs erratically, misfires May damage catalytic
converter.
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 136) or change your
brand of gasoline. If the
problem persists, see your
dealer.
afterfires (backfires) May damage catalytic
converter.
See your dealer.
pre-ignition (runs on
after ignition switched
OFF) May damage catalytic
converter.
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)