Possible Cause
Operation
HV coil
Injector
Revolution timing sensor
Air temperature
Engine temperature
Ignition efficiency
Spark plug
Ignition timing
Correctness of the parameters
Throttle valve position sensor
Stepper
Engine temperature sensor
Intake air temperature sensor
Intake system cleaning
Air filter
Diffuser and throttle valve
Stepper
Intake system sealing (infiltrations)
Intake manifold - head
Throttle body - manifold
Air cleaner joint
Filter box
Fuel system (low pressure)
Fuel pump
Pressure regulator
Fuel filter
Injector capacity
Engine does not rev down
ENGINE DOES NOT RETURN TO 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
Engine temperature
Ignition efficiency
Ignition timing
Correctness of the parameters
Throttle valve position sensor
Stepper
Engine temperature sensor
Intake air temperature sensor
Intake system sealing (infiltrations)
Intake manifold - head
Throttle body - manifold
Air cleaner joint
Filter box
Fuel system (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
Engine temperature
Lambda sensor
Correctness of the parameters
Throttle valve position sensor
Stepper
Engine temperature sensor
Intake air temperature sensor
Intake system sealing (infiltrations)
Intake manifold - head
Injection
Vespa LX - S 125 3V ie 150 3V ie (2012)
INJEC - 184
Содержание S 2012
Страница 1: ...SERVICE STATION MANUAL 677662 EN Vespa LX S 125 3V ie 150 3V ie 2012 ...
Страница 4: ......
Страница 6: ...INDEX OF TOPICS CHARACTERISTICS CHAR ...
Страница 27: ...INDEX OF TOPICS TOOLING TOOL ...
Страница 37: ...INDEX OF TOPICS MAINTENANCE MAIN ...
Страница 48: ...INDEX OF TOPICS TROUBLESHOOTING TROUBL ...
Страница 52: ...Troubleshooting Vespa LX S 125 3V ie 150 3V ie 2012 TROUBL 52 ...
Страница 53: ...INDEX OF TOPICS ELECTRICAL SYSTEM ELE SYS ...
Страница 54: ... LX VERSION S VERSION Electrical system Vespa LX S 125 3V ie 150 3V ie 2012 ELE SYS 54 ...
Страница 69: ... S VERSION Vespa LX S 125 3V ie 150 3V ie 2012 Electrical system ELE SYS 69 ...
Страница 72: ... S VERSION Electrical system Vespa LX S 125 3V ie 150 3V ie 2012 ELE SYS 72 ...
Страница 75: ... S VERSION Vespa LX S 125 3V ie 150 3V ie 2012 Electrical system ELE SYS 75 ...
Страница 109: ...INDEX OF TOPICS ENGINE FROM VEHICLE ENG VE ...
Страница 114: ...INDEX OF TOPICS ENGINE ENG ...
Страница 143: ... Unscrew the four screws and remove the tappet cover Vespa LX S 125 3V ie 150 3V ie 2012 Engine ENG 143 ...
Страница 174: ...INDEX OF TOPICS INJECTION INJEC ...
Страница 181: ...THE FOLLOWING INDICACTIONS REFER TO THE S VERSION Vespa LX S 125 3V ie 150 3V ie 2012 Injection INJEC 181 ...
Страница 206: ...INDEX OF TOPICS SUSPENSIONS SUSP ...
Страница 226: ...Suspensions Vespa LX S 125 3V ie 150 3V ie 2012 SUSP 226 ...
Страница 227: ...INDEX OF TOPICS BRAKING SYSTEM BRAK SYS ...
Страница 236: ...INDEX OF TOPICS CHASSIS CHAS ...
Страница 246: ...INDEX OF TOPICS PRE DELIVERY PRE DE ...
Страница 251: ...Tyres 11 V Vehicle 8 110 ...