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Master
483 Answers
- Posted on Jun 28, 2015
Re: How do I fix cod po301
Hello Carlos,
It is a common problem with '99 Cady (Random Misfire Detected)
- Start the car and carefully pull the plugs boot out one by one, and put it right back (a few seconds is enough).
- Take Notice of of which one is affecting the RPM of the engine ( slowing down and and shaking erratically).
- With the engine Off.
- Use the appropriate socket and again one by one take out the spark plugs and check them for oil and heavy residue build up.
- If there is Oil in anyone of plugs, take the car to mechanic and let him or her do an evaluation or diagnostic.
- You probably need new coil packs and spark plugs.
- Change the oil and the air filter too, if they are dirty.
- Check also the fuel filter.
- If the code does not go away by itself, have it reset by a mechanic.
Best of Luck,
JP
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