Nissan Note [1769/1872] Dtc p0263 p0266 p0269 p0272 no 4 cylinder misfire

Nissan Note [1769/1872] Dtc p0263 p0266 p0269 p0272 no 4 cylinder misfire
DTC P0263, P0266, P0269, P0272 NO.1 - 4 CYLINDER MISFIRE
EC-1769
[K9K]
C
D
E
F
G
H
I
J
K
L
M
A
EC
Diagnostic Procedure
BBS0044V
1. CHECK FOR INTAKE AIR LEAK
1. Start engine and run it at idle speed.
2. Listen for the sound of the intake air leak.
OK or NG
OK >> GO TO 2.
NG >> Discover air leak location and repair.
2. CHECK FOR EGR VOLUME CONTROL VALVE
1. Stop engine.
2. Visually check EGR volume comtrol valve.
Refer to EM-251, "
EGR UNIT" .
OK or NG
OK >> GO TO 3.
NG >> Repair or replace.
3. CHECK FUEL INJECTOR
Refer to EC-1750, "
Component Inspection" .
OK or NG
OK >> GO TO 5.
NG >> GO TO 4.
4. REPLACE FUEL INJECOR
1. Replace fuel injector of malfunctioning cylinder.
2. Perform Injector Adjustment Value Registration. Refer to EC-1625, "
Injector Adjustment Value Registra-
tion" .
>> INSPECTION END
5. CHECK COMPRESSION PRESSURE
Check compression pressure.
OK or NG
OK >> GO TO 6.
NG >> Repair.
6. CHECK VALVE CLEARANCE
Check valve clearance.
Refer to EM-292, "
Valve Clearance" .
OK or NG
OK >> GO TO 7.
NG >> Repair.
7. CHECK INTERMITTENT INCIDENT
Perform EC-1697, "
TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT" .
>> INSPECTION END

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