Fault Tracing; When The Engine Stalls - Volvo 164 1973 Owner's Manual

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WHEN THE ENGINE STALLS
OR WILL NOT START
The information given below is only intend-
ed to serve as a guide in localizing and
temporarily correcting minor faults. After
having carried out any such measures,
have them (::hecked and adjusted by an ex-
perienced mechanic.
The engine does hot start although starter
motor turns it
ove'r
at normal speed
1. Check to make sure there is fuel in the
tank.
2. Check to make sure the fuel pump is
functioning
properly.
This is done by
turning the ignition key to driving po-
sition. This will run the pump for 1 to
1
1 /2
seconds.
If the pump does not func-
tion; check to make sure that the pump
fuse is not blown.
3. Attn. Do not touch the accelerator pe-
dal if the engine is cold.
If the engine is hot, start it with the ac-
celerator
pedal
depressed
halfway.
Avoid repeated short attempts at start-
ing. Instead, let the starter motor run a
little longer (max. 15-20 seconds) at
each try.
4. With damp weather, when
flashover
is
possible, wipe the spark plug isolators
clean. Release the distributor cap and
wipe it dry.
Check to make sure that the ignition
leads are properly fitted in the distrib-
utor head and ignition coil.
5. Check to make sure that all contacts
for sensors and injectors are properly
fitted.
6. If the engine turns over without start-
ing, there may be too much fuel in the
cylinders, with damp plugs as a result.
Screw out the plugs and wipe them dry.
Check the electrode gap.
FAULT TRACING
If the engine misfires, the reason can be:
1. That one of the ignition leads has loos-
ened in the distributor cover or from the
spark plug.
2. That one or more of the spark plugs is
coated with soot or oiled up, in which
case the plug concerned should
be
cleaned or changed and the spark plug
gap adjusted.
3. That the distributor cap and
rotor
arm
are cracked or damaged.
4. That one of the ignition leads is in poor
condition.
5. That the ignition point gap in the distri-
butor is insufficient or non-existent.
6. That the ignition points are badly burn-
ed.
7. That the electronic system is at
fault,
in
which
case have it checked by a
workshop.
How to start your ear on a downgrade
Switch on the
ignition,
pull out the choke
if required, engage 3rd gear or even
4th
and let the car roll downwards
with
the
clutch pedal depressed. When the speed
is up to 9-12 mph (15-20 kmph), and not
before, release the clutch pedal
slowly.
When towed: Secure
the
towline to the
towing loop. The car is towed at an even
speed in 2nd gear. Try starting as sug-
gested in the previous paragraph.
Attention!
If your car has automatic trans-
mission do not attempt to start it by
to
w-
ing. See recommendations on page 27.
63

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