Nissan Note [1018/1872] Dtc p0171 fuel injection system function

Nissan Note [1018/1872] Dtc p0171 fuel injection system function
EC-1018
[HR (WITH EURO-OBD)]
DTC P0171 FUEL INJECTION SYSTEM FUNCTION
6. CHECK FUNCTION OF FUEL INJECTORS
With CONSULT-II
1. Start engine.
2. Perform “POWER BALANCE” in “ACTIVE TEST” mode with
CONSULT-II.
3. Make sure that each circuit produces a momentary engine
speed drop.
Without CONSULT-II
1. Start engine.
2. Listen to each fuel injector operating sound.
OK or NG
OK >> GO TO 7.
NG >> Perform trouble diagnosis for EC-1209, "
FUEL INJEC-
TOR" .
7. CHECK FUEL INJECTOR
1. Confirm that the engine is cooled down and there are no fire hazards near the vehicle.
2. Turn ignition switch OFF.
3. Remove fuel tube assembly. Refer to EM-135, "
FUEL INJECTOR AND FUEL TUBE" .
Keep fuel hose and all fuel injectors connected to fuel tube.
The fuel injector harness connectors should remain connected.
4. Disconnect all ignition coil harness connectors.
5. Prepare pans or saucers under each fuel injector.
6. Crank engine for about 3 seconds. Make sure that fuel sprays
out from fuel injectors.
OK or NG
OK >> GO TO 8.
NG >> Replace fuel injectors from which fuel does not spray
out. Always replace O-ring with new ones.
8. CHECK INTERMITTENT INCIDENT
Refer to EC-917, "
TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT" .
>> INSPECTION END
PBIB0133E
Clicking noise should be heard.
PBIB1986E
Fuel should be sprayed evenly for each fuel injector.
PBIB1726E

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