P0301, p0302, p0303, p0304, p0305, p0306
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From: Sheboygan Wisconsin
P0301, p0302, p0303, p0304, p0305, p0306
P0301, P0302, P0303, P0304, P0305, P0306
Description
P0301 Cylinder #1 Misfire Detected
P0302 Cylinder #2 Misfire Detected
P0303 Cylinder #3 Misfire Detected
P0304 Cylinder #4 Misfire Detected
P0305 Cylinder #5 Misfire Detected
P0306 Cylinder #6 Misfire Detected
A P030x code means that the the car'* computer has detected that one of the engine'* cylinders is not firing properly.
Symptoms
Symptoms may include:
A code P030x may mean that one or more of the following has happened:
Description
P0301 Cylinder #1 Misfire Detected
P0302 Cylinder #2 Misfire Detected
P0303 Cylinder #3 Misfire Detected
P0304 Cylinder #4 Misfire Detected
P0305 Cylinder #5 Misfire Detected
P0306 Cylinder #6 Misfire Detected
A P030x code means that the the car'* computer has detected that one of the engine'* cylinders is not firing properly.
Symptoms may include:
- Engine may be harder to start
- Engine may stumble and or hesitate
A code P030x may mean that one or more of the following has happened:
- Faulty spark plug or wire
- Faulty coil (pack)
- Faulty oxygen sensor
- Faulty fuel injector
- Faulty ICM
- Burned exhaust valve
- Faulty catalytic converter
- Running out of fuel
- Poor compression
- Faulty MAF
- Defective computer
- First reset the code and see if it returns.
- Check/test spark plugs and wires and coils.
- Replace O2 sensor if it'* over 60k miles
- Clean or replace MAF
- Swap injectors
- Do a compression test
- Clean/replace ICM
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