APRILIA SCARABEO 500 2008 Service Station Manual page 238

Injection
Possible Cause
TPS reset successful
Faults detected by self-diagnosis
Poor performance at full throttle
POOR ENGINE PERFORMANCE AT FULL POWER/ IRREGULAR ENGINE PROGRESS
Possible Cause
Faults detected by self-diagnosis
Power to spark plug
Intake system
Parameter reliability
Fuel supply
Engine knocking
PRESENCE OF KNOCKING (COMBUSTION SHOCKS)
Possible Cause
Faults detected by self-diagnosis
Ignition efficiency
Parameter reliability
INJEC - 238
ON ACCELERATION
SCARABEO 500
Operation
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
Lambda Probe
Spark plug
Shielded cap
HV Cable
HV Coil
Air filter
Filter housing (seal)
Intake sleeve (seal)
Throttle valve position signal
Coolant temperature signal
Intake air temperature signal
Ignition advance
Fuel level in the tank
Fuel pressure
Fuel filter
Injector flow
Operation
Pump relay
HV coil
Injector
Revolution timing sensor
Air temperature
Coolant temperature
Lambda Probe
Spark plug
Throttle valve position signal