DTC Detecting Condition and Trouble Area
DTC DETECTING CONDITION CHART
| DTC detecting condition |
Trouble area |
P0300: Random/Multiple Cylinder Misfire Detected
This DTC is detected if any one of the following conditions is met.
- Misfire rates at 2 or more cylinders exceed specified misfire rate which causes catalyst to damage. (MIL flashes as long as this misfire occurs continuously.)
- Misfire rates at 2 or more cylinders exceed specified misfire rate which affects exhaust emission adversely. (2 D/C detection logic)
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- Exhaust system
- Air intake system
- Ignition system
- Fuel system
- Engine compression
- Valve clearance
- Valve timing
- ECM
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DTC P0301: Cylinder 1 Misfire Detected
DTC P0302: Cylinder 2 Misfire Detected
DTC P0303: Cylinder 3 Misfire Detected
DTC P0304: Cylinder 4 Misfire Detected
This DTC is detected if any one of the following conditions is met.
- Misfire rate at specified cylinder exceeds specified misfire rate which causes catalyst to damage. (MIL flashes as long as this misfire occurs continuously.)
- Misfire rate at specified cylinder exceeds specified misfire rate which affects exhaust emission adversely. (2 D/C detection logic)
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- Ignition system
- Engine compression
- Valve clearance
- Fuel injector and/or its circuit
- ECM
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