PIAGGIO MP3 500 i.e. SPORT Service Station Manual page 264

MP3 500 i.e. SPORT Business_LT_ ABS-ASR_EU_USA (2015)
Injection
Exhaust backfires in deceleration
Possible Cause
Presence of faults detected by the self diagnosis
Correctness of the parameters
Intake system sealing (infiltrations)
Fuel system (low pressure)
Exhaust system seal (seepage)
Engine revs irregularly
ENGINE IRREGULAR PERFORMANCE WITH VALVE SLIGHTLY OPEN
Possible Cause
Intake system cleaning
Intake system sealing
Ignition system
Parameter reliability
TPS reset successful
Presence of faults detected by the self diagnosis
Poor performance at full throttle
POOR ENGINE PERFORMANCE AT FULL POWER/ ENGINE IRREGULAR PERFORM-
Possible Cause
Presence of faults detected by the self diagnosis
INJEC - 264
EXHAUST BACKFIRES WHEN DECELERATING
ANCE ON PICKUP
Operation
Pump relay
HV coil
Injector
Revolution timing sensor
Air temperature
Coolant temperature
Lambda probe
Throttle valve position sensor
Stepper
Coolant temperature sensor
Intake air temperature sensor
Intake manifold - head
Throttle body - manifold
Intake sleeve
Filter box
Fuel pump
Pressure regulator
Fuel filter
Injector flow
Manifold - head
Manifold - silencer
Silencer welding
Operation
Air filter
Diffuser and throttle valve
Additional air pipe and Stepper
Intake sleeve
Filter box
Spark plug wear check
Throttle valve position signal
Coolant temperature indicator
Intake air temperature indicator
Ignition advance
TPS reset successful
Pump relay
HV coil
Injector
Revolution timing sensor
Air temperature
Coolant temperature
Lambda probe
Operation
Pump relay
HV coil
Injector
Revolution timing sensor
Air temperature
Coolant temperature