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1994 Volvo 850
With the starting (ignition) switch in the "Driving" or "On" position, check to see if the warning lights
on the dashboard come on and if they stay on when the starter is engaged. if the lights do not come on or
if they go off when the starter is engaged the battery is discharged, or see below.
Fault in the electrical/distributor ignition system
Check all the electrical connections to the starter motor and battery.
Clean or replace battery terminals if necessary.
The ground strap should also be checked for looseness or corrosion.
Check the spark plugs (gap should be 0.7 mm), clean or replace if necessary.
No fuel reaching engine
Check that there is fuel in the tank.
Check that none of the hoses/connections in the fuel system are loose or kinked.
Check that the fuel pump fuse (no. 2) is not blown.
Open circuit between starting (ignition) switch and starting (ignition) switch terminal on starter
The circuit is closed if a ticking sound is heard from the starter when it is engaged. If no clicking sound
is heard, check that the blue wire at the starter is secure. If still no clicking sound is heard, the starting,
(ignition) switch or the wire is defective.
Blocked air cleaner/fuel filter
Replace filter(s).
Imbalance, resonance, or heavy steering during
driving
Wheel imbalance
Have the wheels re-balanced.
Insufficient oil in power steering pump
Check the oil level, see page 8:12.
Engine
overheats
Radiator hoses cracked or leaking
Check the radiator hoses and replace if necessary
Insufficient coolant
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