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DIAGNOSTIC PROCEDURE NO.5 ENGINE STALLS-AFTER START/AT IDLE (MZI-3.7) DIAGNOSTIC PROCEDURE POSSIBLE CAUSE Fuel leakage from fuel injector Fuel injector clogging Ignition coil malfunction Improper air/fuel mixture ratio control Improper valve timing Improper operation variable valve timing control system Immobilizer system and/or circuit malfunction Immobilizer system operating property. (Ignition key is not registered.) Pressure regulator malfunction (built-in fuel pump unit) WARNING: The following troubleshooting flow chart contains the fuel system diagnosis Fuel vapor is hazardous. It can easily ignite, causing serious injury Fuel line spills and leakage are dangerous. Fuel can ignite and cause (See BEFORE SERVICE PRECAUTION [MZI-3.7] .) (See AFTER SERVICE PRECAUTION [MZI-3.7] .) CAUTION: Disconnecting/connecting quick release connector without cleaning it STEP INSPECTION RESULTS ACTION 1 Connect the M-MDS to the DLC-2. The engine is not completely started. DTC P1260 is displayed. Yes Both conditions appear: No Either or other condition appears: Go to the next step. Yes Go to the next step.
2008 Mazda CX-9 Grand Touring 2008 ENGINE Symptom Troubleshooting (MZI-3.7) - Mazda CX-9
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