DTC P0304 - Cylinder 4 Misfire Detected
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DTC DESCRIPTION P0304 - CYLINDER 4 MISFIRE DETECTED
| Description: | The PCM continuously monitors the crankshaft speed and acceleration for each cylinder event. When the deceleration is detected the PCM uses the crankshaft position (CKP) and the camshaft position (CMP) signal information to determine which cylinder misfired. This DTC sets when the misfire event occurred in the cylinder due to a poor cylinder compression, fuel delivery concern or mechanical engine concern. | ||
| Possible Causes: |
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| Diagnostic Aids: | Access the freeze frame data (if available) and record the DTC conditions. The misfire freeze frame data may be used to determine the operating conditions when the misfire DTC was set. A cylinder contribution DTC may also be present. | ||
| Application | Key On Engine Off | Key On Engine Running | Continuous Memory |
| All | GO to PINPOINT TEST AR . | ||