Fuel injection
9 - 11
9
2) DIFFICULT COLD START OR WARM START OF THE ENGINE
Proceed with the following controls:
Starting
Compression end pressure
Spark plug feed
Starter and electromagnetic switch
Battery
Earth connections
Spark plug
Shielded cap
H.V. coil
Phase revolutions sensor
Spark lead
Petrol pressure (low)
Injector capacity (low)
Injector stability (poor)
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
Air temperature
Coolant temperature
Atmospheric pressure
Fuel supply
Parameter correctness
Coolant temperature
Air intake temperature
Throttle valve position
Stepper (steps and actual opening)
Cleanliness of auxiliary air duct of the throttle
valve
air filter efficiency
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