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8 REMOVE 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 injector with fuel tube assembly. Refer to EC-52.
Keep fuel hose and all injectors connected to injector gallery. The injector harness connectors should remain con-
nected.
䊳 GO TO 9.
9 CHECK INJECTOR
1. Disconnect all ignition coil harness connectors.
2. Place pans or saucers under each injector.
3. Crank engine for about 3 seconds. Make sure that fuel sprays out from injectors.
SEF595Q
Fuel should be sprayed evenly for each cylinder.
OK or NG
OK 䊳 GO TO 10.
NG 䊳 Replace injectors from which fuel does not spray out. Always replace O-ring with new
one.
10 CHECK INTERMITTENT INCIDENT
Perform “TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT”, EC-142.
䊳 INSPECTION END
DTC P0171 FUEL INJECTION SYSTEM FUNCTION
(LEAN SIDE)
KA24DE
Diagnostic Procedure (Cont’d)
EC-286
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