1992 Volvo 240 |
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Possible cause | Correction |
Intake system leaking.
Check vacuum hose connections at manifold and auxiliary air valve.
Check for fuel in the tank.
No fuel reaching engine.
Check fuse No 4.
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.
No spark
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.
Clean the parts with a dry cloth. Replace defective or worn parts.
Spark plugs, high tension leads or distributor cap wet or defective.
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 | Clean distributor cap and leads, check the cap for |
cap worn (defective) | cracks. Replace defective or worn parts. |
Worn spark plugs. | Remove. Clean or replace spark plugs. |
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pg. 106 Service diagnosis (cont.) |
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Condition: Engine stalls at irregular intervals
Possible cause | Correction |
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