Volvo Penta 230 User Manual

11
Trouble-shooting Scheme
Main switch open. Battery
discharged. Wires broken or
fuse blown.
Empty fuel tank, closed fuel cock,
clogged fuel filter.
Water or impurities in the fuel.
Faulty spark plugs.
Burned breaker points, moisture
in distributor and ignition leads.
Faulty electronic unit 251DOHC,
AQ171
Idling speed not adjusted properly.
Faulty tachometer.
Boat loaded abnormally.
Growth on boat bottom and
sterndrive.
Damaged propeller.
Clogged cooling water intake, oil
cooler (250, 251DOHC, AQ151,
AQ171) waterjackets. Damaged
impeller or thermostat. Too low
coolant level in expansion tank
Wrong fuel quality in relation to
timing
Toothed belt faulty or not adjusted
properly.
Engine
does not
start
Engine
stops
Engine does
not reach op-
erating speed
at full throttle
Engine runs
rough or vi-
brates abnor-
mally
Engine be-
comes abnor-
mally hot
Fault reason
X
X
X
XX
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X

Volvo Penta 230 Specifications

General

Brand	Volvo Penta
Model	230
Category	Engine
Language	English