Volvo 1992 240 User Manual
1992 Volvo 240
Possible cause
Correction
Intake system leaking.
Check vacuum hose connections at manifold and
auxiliary air valve.
auxiliary air valve.
No fuel reaching engine.
Check for fuel in the tank.
Check fuse No 4.
No spark
Check that the high tension lead from the coil to the
distributor cap is connected and that the wires to the
distributor and coil are connected.
distributor cap is connected and that the wires to the
distributor and coil are connected.
Check the fuse for the engine control system. The fuse
is located in the engine compartment on the left wheel
housing by the ignition coil.
Spark plugs, high tension leads or distributor
cap wet or defective.
cap wet or defective.
Clean the parts with a dry cloth. Replace defective or
worn parts.
worn parts.
If no fault is found following the above steps, contact
your Volvo dealer.
Condition: Erratic idle (misfiring)
Possible cause
Correction
Intake system leaking.
Check hose connections.
Spark plugs, high tension leads or distributor
cap worn (defective)
cap worn (defective)
Clean distributor cap and leads, check the cap for
cracks. Replace defective or worn parts.
cracks. Replace defective or worn parts.
Worn spark plugs.
Remove. Clean or replace spark plugs.
pg. 106 Service diagnosis (cont.)
Condition: Engine stalls at irregular intervals
Possible cause
Correction
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