PIAGGIO PORTER 1.3 16V 2008 User Manual

Malfunction phenomenon Probable affected area
Difficult start-up (summer)
•
Fuel pump checking circuit
•
Injector circuit
•
Ignition coil circuit (with ignition spark plug)
•
Spark plug
•
Vacuum switching valve circuit to increase idle speed
Engine does not hold idling
Malfunction phenomenon Probable affected area
Idle speed not in working order
•
Vacuum switching valve circuit to increase idle speed
Minimum speed too slow
•
Electronic control unit power supply circuit
•
Fuel pump checking circuit
•
Injector circuit
•
Vacuum switching valve circuit to increase idle speed
Minimum speed too fast
•
Pipe, etc. detached
•
PVC line
•
Vacuum switching valve circuit to increase idle speed
Irregular/unstable idle speed
•
Fuel pump checking circuit
•
Injector circuit
•
Fuel duct filter
•
Ignition coil circuit (with ignition spark plug)
•
Vacuum switching valve circuit to increase idle speed
Oscillation during idle speed operation
•
Electronic control unit power supply circuit
•
Fuel pump checking circuit
•
Pipe, etc. detached
•
PVC line
•
Vacuum switching valve circuit to increase idle speed
The engine stops during idle speed operation
•
Fuel pump checking circuit
•
Injector circuit
•
Fuel duct filter
•
Vacuum switching valve circuit to increase idle speed
Engine irregular performance
Malfunction phenomenon Probable affected area
The engine stops when the accelerator pedal
is pushed
•
Fuel filter - Fuel circuit pipes
•
PVC line
The engine stops when the accelerator pedal
is released
•
Injector circuit
•
Vacuum switching valve circuit to increase idle speed
Oscillation while riding
•
Pipe, etc. detached
PORTER 1.3 16V Iniection System
IS - 421

PIAGGIO PORTER 1.3 16V 2008 Specifications

General

Brand	PIAGGIO
Model	PORTER 1.3 16V 2008
Category	Automobile
Language	English