Fuel injection
9 - 13
9
4) THE ENGINE DOES NOT TURN OVER ON IDLING SPEED
IDLING SPEED TOO HIGH
Proceed with the following controls:
Ignition efficiency
Parameter correctness
Intake system seal (infiltrations)
Fuel supply (pressure low)
Analysis of exhaust gas prior to the catalytic converter
Ignition timing
Throttle valve position sensor
Stepper
Coolant temperature sensor
Air intake temperature sensor
Head-intake manifold
Throttle body-manifold
Air intake hose
Filter box
Fuel pump
Pressure regulator
Fuel filter
Injector capacity
Trimmer value adjustment (CO% adjustment)
Presence of anomalies revealed through injection
self-diagnosis
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
5) BACKFIRING IN DECELERATION
Proceed with the following controls:
Parameter correctness
Throttle valve position sensor
Stepper
Coolant temperature sensor
Air intake temperature sensor
Presence of anomalies revealed through injection
self-diagnosis
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
To Next Page
Loading...
