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1993 Volvo 960
If there is 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.
If no fault is found following the above steps, contact your Volvo dealer.
Excessive fuel
consumption
Fuel lines leaking.
Check tightness.
Spark plugs worn.
Replace plugs.
pg. 6:18 Service diagnosis (cont.)
Erratic idle
(misfiring)
Intake system leaking.
Check vacuum hose connections to manifold and idle air control valve.
Worn spark plugs.
Remove. Clean or replace spark plugs.
Engine stalls at irregular
intervals
Defective wires.
Check wire terminals at: fuel pump, fuse No. 30 and 31, coil, ignition switch and relays.
Intake system leaking.
Check vacuum hose connections at manifold and idle air control valve.
Fuel filter clogged.
Clean fuel tank filter and replace line fuel filter.
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