Volvo 1992 240 - Manual (Page 146)

1992 Volvo 240
Defective wires.
Check wire terminals at: fuel pump, fuse No. 5 and 7, coil, distributor, ignition
switch and relays.
Intake system
leaking.
Check vacuum hose connections at manifold and auxiliary air valve.
Fuel filter clogged. Clean fuel tank filter and replace fuel line filter.
Condition: Excessive fuel consumption
Possible cause Correction
Fuel lines
leaking. Check
tightness.
Spark plugs
worn.
Replace plugs.
Condition: Misfiring at highway driving speed
Possible cause Correction
Spark plugs
fouled.
Drive the vehicle in a lower gear and keep the engine rpm higher for a few miles
in order to remove carbon deposit on the spark plugs. If this procedure is not
effective, clean or replace the spark plugs.
pg. 107 Service diagnosis (cont.)
Condition: The gear selector can not be moved from the P position
The gear selector is locked in the P position. To release the selector, the ignition must be switched on
(ignition key in position II) and the brake pedal must be depressed.
●
Depress the brake pedal
●
Select a gear
●
Release the brake pedal
If the gear selector cannot be moved, check fuses 7 and 12.
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