Honda 2009 GOLDWING GL1800 Owner's Manual page 223

If Your Engine Quits or Won't Start
Engine starts, but runs poorly.
SYMPTOM:
POSSIBLE CAUSE
idles roughly, too fast,
stalls
overheating
low oil pressure
runs erratically, misfires
blubbers (rich fuel
mixture)
sooty exhaust (rich fuel
mixture)
detonates or pings under
load
afterfires (backfires)
pre-ignition (runs on after
ignition switched OFF)
WHAT TO DO
See your Honda dealer.
Check the coolant temperature gauge.
Refer to If Y our Engine Overheats,
page 229 .
Check the low oil pressure indicator.
If the Low Oil Pressure
Refer to
Indicator Lights,
May damage catalytic converters.
See your Honda dealer.
See your Honda dealer.
See your Honda dealer.
If applicable, switch to the recommended
octane gasoline (page
your brand of gasoline. If the problem
persists, see your Honda dealer.
May damage catalytic converters.
See your Honda dealer.
May damage catalytic converters.
See your Honda dealer.
Taking Care of the Unexpected
page 231 .
160 ) or change
217