Poor Engine Running On Full Power; Irregular Running Of The Engine During Acceleration Stage; Presence Of Detonation (Combustion Shock) - PIAGGIO 500 cc Service Manual

7) POOR ENGINE RUNNING ON FULL POWER

IRREGULAR RUNNING OF THE ENGINE DURING ACCELERATION STAGE

Proceed with the following controls:
Presence of anomalies revealed through injection
self-diagnosis
Spark plug feed
Air intake system
Parameter reliability
Fuel supply

8) PRESENCE OF DETONATION (COMBUSTION SHOCK)

Proceed with the following controls:
Presence of anomalies revealed through injection
self-diagnosis
Ignition efficiency
Parameter reliability
Intake system seal
Reset TPS carried out correctly
Fuel supply
Thickness selection of the cylinder base gasket
Pump relay (see page 9-41)
H.V. coil (see page 9-68)
Injector (see page 9-62)
Phase revolutions sensor (see page 9-64)
Air temperature
Coolant temperature
Atmospheric pressure
Spark plug
Shielded cap
H.V. cable
H.V. coil
Air filter
Box filter (seal)
Air intake hose (seal)
Throttle valve position signal
Coolant temperature signal
Air intake temperature signal
Spark lead
Fuel level in the tank
Fuel pressure
Fuel filter
Injector capacity
Pump relay (see page 9-41)
H.V. coil (see page 9-68)
Injector (see page 9-62)
Phase revolutions sensor (see page 9-64)
Air temperature
Coolant temperature
Atmospheric pressure
Spark plug
Throttle valve position
Coolant temperature
Air temperature intake
Spark lead
Filter box
Air intake hose
Fuel pressure
Fuel filter
Injector capacity
Fuel quality
Fuel injection
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