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SEF960Y WITH GST NBEC0174S02 1) Start engine and warm it up to normal operating temperature. 2) Turn ignition switch “OFF” and wait at least 10 seconds. 3) Disconnect mass air flow sensor harness connector. Then 4) Stop engine and reconnect mass air flow sensor harness con- 5) Select “MODE 7” with GST. Make sure 1st trip DTC P0100 is 6) Select “MODE 4” with GST and erase the 1st trip DTC P0100. 7) Start engine again and let it idle for at least 10 minutes. 8) Select “MODE 7” with GST. The 1st trip DTC P0172 or P0175 9) If it is difficult to start engine at step 7, the fuel injection sys- 10) Crank engine while depressing accelerator pedal. If engine starts, go to “Diagnostic Procedure”, EC-306. If GI MA EM LC FE AT TF PD AX SU BR ST RS BT HA SC EL IDX DTC P0172 (RIGHT, -B1), P0175 (LEFT, -B2) FUEL INJECTION SYSTEM FUNCTION (RICH) DTC Confirmation Procedure (Cont’d) EC-303 |