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DIAGNOSTIC PROCEDURE DTC P0301, P0302, P0303, P0304, P0305, P0306, P0316 (MZI-3.7) DIAGNOSTIC PROCEDURE DTC P0305 P0305: Cylinder No.5 misfire detected DTC P0306 P0306: Cylinder No.6 misfire detected DTC P0316 P0316: Misfire detected on startup (first 1000 revolutions) DETECTION CONDITION The PCM monitors the crankshaft position sensor input signal interval time. The POSSIBLE CAUSE Spark plug malfunction Ignition system malfunction Ignition coil malfunction Fuel injector malfunction Air suction in intake air system (between dynamic chamber and cylinder head) Inadequate engine compression due to engine internal malfunction Related connector or terminal malfunction Related wiring harness malfunction STEP INSPECTION ACTION 1 VERIFY FREEZE FRAME DATA HAS BEEN Has FREEZE FRAME DATA been recorded? Yes Go to the next step. No Record FREEZE FRAME DATA on the repair order, then go to the next step. 2 VERIFY RELATED REPAIR INFORMATION Verify related Service Bulletins and/or on-line Is any related Service Bulletins available? Yes Perform repair or diagnosis according to If the vehicle is not repaired, go to No Go to the next step. 3 VERIFY RELATED PENDING CODE OR Turn the ignition switch off then to the ON Verify related pending code or stored DTCs. Are other DTCs present? Yes Go to the appropriate DTC No Go to the next step.
2008 Mazda CX-9 Grand Touring 2008 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.7) - Mazda CX-9
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