Engine idle
Rpm indicator connection
Connect the rpm indicator measurement terminal
to the diagnosis connector.
- AVOID CONTACT BETWEEN THE RPM INDICATOR TER-
MINAL AND GROUND SO AS NOT TO DAMAGE THE ELEC-
TRONIC CONTROL UNIT OF THE ELECTRONIC FUEL
INJECTION.
- TAKING INTO ACCOUNT THAT SOME RPM INDICATORS
ARE NOT COMPATIBLE WITH THIS IGNITION SYSTEM,
CHECK THE RPM INDICATOR COMPATIBILITY BEFORE
ITS USE.
A) Rpm indicator terminal
B) Ground terminal
Adjust the throttle adjustment valve so that the idle
speed reaches the specified value. Specification:
900 ± 50 rpm.
N.B.
- DO NOT ADJUST IDLE SPEED WHILE THE VACUUM
SWITCHING VALVE IS WORKING. BEFORE ADJUSTING
IDLE SPEED, CHECK THAT THE VACUUM SWITCHING
VALVE IS INACTIVE.
Idle speed adjustment
Preliminary operations for idle speed adjustment
- Warm up the engine (continue warming up the engine for other 10 minutes after the first radiator
electric fan activation).
- Check that all the accessory switches are set to OFF.
- Check that there is an air filter.
- Check that all the vacuum pipes are connected.
- Check that there are no air leaks in the intake system.
- Check that there are no air leaks in the exhaust system.
- On vehicles with manual transmission, position the gearshift lever in neutral.
- Pull the hand brake.
- Check that the throttle cable is correctly adjusted.
- Check that ignition timing is correctly adjusted.
- Check that the pipe system for engine oil vapour recovery (blow-by), works properly.
N.B.
DO NOT ADJUST IDLE SPEED WHILE THE RADIATOR ELECTRIC FAN IS WORKING.
PORTER 1.3 16V Pre-delivery
PD - 809
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