Volvo Penta PENTA - Troubleshooting Common Engine Issues; Common Faults and Causes

Troubleshooting Chart
The troubleshooting chart given below lists only
the more common types of faults which could oc-
cur
With the help of the instructEons given in the Own-
er’s Manual, the owner can usually rectify most of
the faults listed below
When in doubt, always contact the nearest Volvo
Penta workshop
Follow the instructions in the troubleshooting chart
- it helps to provide trouble-free running
The engine vanants and boats differ in their equip=
merit and therefore the components named under
Cause may not necessarily apply to your engine or
boat.
NOTE! Always read the Owner’s Manual tnstruc=
tlons before commencing work Fadure to do so
could result in safety hazards.
Engine Engine Engine does I Engine runs Engine CAUSE
will not stops not attain top
I unevenly or
over-
start speed at full ] vibrates
heats
throttle abnormally
t Main switch not switched on, dead
battery, break in electric circutt or
main fuse. Lanyard stop switch
o o Empty fuel tank, fuel cock closed,
blocked fuel filter.
o
® I
Water or contain=nation =n the fuel
o o @ Worn or fouled spark-plug
@ Moisture m the distnbutor and igni-
tion cables
@ @ Idling speed not properly adjusted
o
Fuel pumps not working, caused by
tripped circuit breaker
@ Incorrect tachometer setting.
@ Boat abnormally loaded
@ Growth on the bottom of the boat
and on the prope[ler(-s)
Q O Damaged or incorrect propeller.
o
Blocked coolant inlet, coohng galler-
ies, heat exchanger, damaged im-
peller or thermostat
@ o @ o Ignition ttming incorrect (7 4/8.2 GL)
o
7 4 Gt The engine speed rs reaching
maximum 2500 rpm The electronic
unit has engaged an emergency
program Contact your authorized
Volvo Penta Service Workshop
immediately to remedy the fault
2O
7788827 - Ladattu osoitteesta www.volvopenta.com 17.11.2010 12:21:31