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
Coolant temperature
Lambda sensor
Correctness of the parameters
Throttle valve position sensor
Stepper
Coolant temperature sensor
Intake air temperature sensor
Intake system sealing (infiltrations)
Intake manifold - head
Throttle body - manifold
Intake sleeve
Filter box
Fuel feed (low pressure)
Fuel pump
Pressure regulator
Fuel filter
Injector capacity
Exhaust system sealing (infiltrations)
Manifold - head
Manifold - muffler
Muffler welding
Engine revs irregularly
ENGINE IRREGULAR PROGRESS WITH VALVE SLIGHTLY OPEN
Possible Cause
Operation
Intake system cleaning
Air filter
Diffuser and throttle valve
Additional air pipe and Stepper
Intake system seal
Intake sleeve
Filter box
Ignition system
Spark plug wear check
Parameter reliability
Throttle valve position signal
Coolant temperature indicator
Intake air temperature indicator
Ignition advance
TPS reset successful
TPS reset successful
Presence of faults detected by the self diagnosis
Pump relay
HV coil
Injector
revolution timing sensor
Air temperature
Coolant temperature
Lambda sensor
Injection
GP 800 i.e.
INJEC - 10
Summary of Contents for GP 800 i.e.
Page 4: ......
Page 6: ......
Page 7: ...INDEX OF TOPICS CHARACTERISTICS CHAR ...
Page 37: ...INDEX OF TOPICS TOOLING TOOL ...
Page 49: ...INDEX OF TOPICS MAINTENANCE MAIN ...
Page 67: ...INDEX OF TOPICS TROUBLESHOOTING TROUBL ...
Page 71: ...INDEX OF TOPICS ELECTRICAL SYSTEM ELE SYS ...
Page 134: ...Electrical system GP 800 i e ELE SYS 64 ...
Page 135: ...INDEX OF TOPICS ENGINE FROM VEHICLE ENG VE ...
Page 151: ...INDEX OF TOPICS ENGINE ENG ...
Page 254: ...Engine GP 800 i e ENG 104 ...
Page 255: ...INDEX OF TOPICS INJECTION INJEC ...
Page 267: ...Pump supply circuit GP 800 i e Injection INJEC 13 ...
Page 287: ...INDEX OF TOPICS SUSPENSIONS SUSP ...
Page 324: ...Suspensions GP 800 i e SUSP 38 ...
Page 325: ...INDEX OF TOPICS BRAKING SYSTEM BRAK SYS ...
Page 345: ...INDEX OF TOPICS COOLING SYSTEM COOL SYS ...
Page 346: ...Circuit diagram KEY 1 Rear head outlet 2 To radiator Cooling system GP 800 i e COOL SYS 2 ...
Page 353: ...INDEX OF TOPICS CHASSIS CHAS ...
Page 376: ...Chassis GP 800 i e CHAS 24 ...
Page 377: ...INDEX OF TOPICS PRE DELIVERY PRE DE ...
Page 381: ...INDEX OF TOPICS TIME TIME ...
Page 412: ...Seat SADDLE Code Action Duration 1 004003 Saddle Replacement Time GP 800 i e TIME 32 ...