PIAGGIO MP3 400 i.e. User Manual

Possible Cause Operation
Fuel filter
Injector capacity
Engine does not rev down
ENGINE DOES NOT RETURN TO THE IDLING SPEED/IDLING SPEED TOO HIGH
Possible Cause Operation
Presence of faults detected by the self diagnosis Pump relay
HV coil
Injector
revolution timing sensor
Air temperature
Coolant temperature
Ignition efficiency Ignition timing
Correctness of the parameters Throttle valve position sensor
Stepper
Coolant temperature sensor
Intake air temperature sensor
Intake system sealing (infiltrations) Intake manifold - head
Throttle body - manifold
Intake sleeve
Filter box
Fuel feed (low pressure) Fuel pump
Pressure regulator
Fuel filter
Injector capacity
Exhaust backfires in deceleration
EXHAUST BACKFIRES WHEN DECELERATING
Possible Cause Operation
Presence of faults detected by the self diagnosis Pump relay
HV coil
Injector
revolution timing sensor
Air temperature
Coolant temperature
Lambda sensor
Correctness of the parameters Throttle valve position sensor
Stepper
Coolant temperature sensor
Intake air temperature sensor
Intake system sealing (infiltrations) Intake manifold - head
Throttle body - manifold
Intake sleeve
Filter box
Fuel feed (low pressure) Fuel pump
Pressure regulator
Fuel filter
Injector capacity
Exhaust system sealing (infiltrations) Manifold - head
Manifold - muffler
Injection MP3 400 i.e.
INJEC - 10

PIAGGIO MP3 400 i.e. Specifications

General

Brand	PIAGGIO
Model	MP3 400 i.e.
Category	Scooter
Language	English