APRILIA SPORTCITY CUBE 250 2010 Service Station Manual page 172

Injection
Possible Cause
Correctness of the parameters
Engine stops at idle
ENGINE DOES NOT HOLD IDLING/ IDLING IS UNSTABLE/ IDLING TOO LOW
Possible Cause
Faults detected by self-diagnosis
Ignition efficiency
Correctness of the parameters
Intake system cleaning
Intake system seal (seepage)
Fuel system (low pressure)
Engine does not rev down
ENGINE DOES NOT RETURN TO IDLING/IDLING TOO HIGH
Possible Cause
Faults detected by self-diagnosis
Ignition efficiency
Correctness of the parameters
Intake system seal (seepage)
Fuel system (low pressure)
INJEC - 172
SPORTCITY CUBE 250 - 300
Operation
Coolant temperature
Intake air temperature Stepper throttle valve position (steps
and actual opening)
Cleaning the auxiliary air pipe and air filter efficiency throttle
valve
Operation
Pump relay
HV coil
Injector
Engine speed timing sensor
Air temperature
Coolant temperature
Spark plug
Ignition timing
Throttle valve position sensor
Stepper
Coolant temperature sensor
Intake air temperature sensor
Air filter
Diffuser and throttle valve
Supplementary air pipe and Stepper
Intake manifold - head
Throttle body - manifold
Intake sleeve
Filter housing
Fuel pump
Pressure regulator
Fuel filter
Injector flow
Operation
Pump relay
HV coil
Injector
Engine speed timing sensor
Air temperature
Coolant temperature
Ignition timing
Throttle valve position sensor
Stepper
Coolant temperature sensor
Intake air temperature sensor
Intake manifold - head
Throttle body - manifold
Intake sleeve
Filter housing
Fuel pump
Pressure regulator
Fuel filter
Injector flow