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Diagnostic Procedure
NGEC0204
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 䊳 GO TO 2.
NG 䊳 Discover air leak location and repair.
2 CHECK FOR EXHAUST SYSTEM CLOGGING
Stop engine and visually check exhaust tube, three way catalyst and muffler for dents.
OK or NG
OK 䊳 GO TO 3.
NG 䊳 Repair or replace it.
3 CHECK EGR FUNCTION
Perform DTC Confirmation Procedure for DTC P1402 EGR FUNCTION (OPEN).
Refer to EC-465.
OK or NG
OK 䊳 GO TO 4.
NG 䊳 Repair EGR system.
DTC P0300 - P0304 NO.4-1CYLINDER MISFIRE, MULTIPLE
CYLINDER MISFIRE
KA24DE
Diagnostic Procedure
EC-301
FE
CL
MT
AT
TF
PD
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
GI
MA
EM
LC
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