Question about 2005 Chrysler Town & Country

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I HAVE A PROBLEM WITH CODE 301 COMING UP AND NOW AND THEN 300 & 304 ARE WITH THE 301. I HAVE DONE A TUNE-UP, CHANGED COIL PACK, NEW INJECTOR IN #1 HOLE DEALER HAS RE-PROMED THE PCM, COMPRESSION TEST COMES UP GOOD. WHEN I CLEAR THE CODE IT GOES AWAY SOMETIMES FOR 2 WEEKS AND SOMETIMES IT IS BACK ON THE NEXT DAY. I THINK IT MIGHT BE A HARNESS PROBLEM BUT I'M NOT SURE WHICH ONE OR WHERE TO LOOK. WHEN I HAVE GONE TO THE DEALER TO ASK THEM QUESTIONS ABOUT THIS THE FIRST THING THAT WANT TO DO IS A CARBON CLEAN OUT WHICH I DO NOT SEE WOULD HELP AND IF MY COMPRESSION IS GOOD THAT SHOULD NOT BE A PROBLEM BUT THEY ARE JUST TRYING TO GET MORE MONEY OUT OF ME. NOT SURE WHAT ELSE TO CHECK OR WHERE

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I would forget that dealer. You never get to talk to the tech that will work on your vehicle, so in my opinion,a dealer is a waste of time and too expensive, due to the size of the overall operation. That said, there are a lot of professional dealer techs on this site, that would disagree.
I would always and only, go to a local shop with a good reputation,if you don't have the knowledge and skills to do your own work.

There is no such thing as a tune-up.
All vehicles from 1981 to 1983 on,some 30 years, are electronic. You only change spark plugs every 3 or 4 years,around 50,000 or more. That doesn't consitiute tuning anything.

Posted on Sep 16, 2010

  • Anonymous Sep 16, 2010

    The 300 code is a random misfire
    The 301 and 304 are misfires on cylinders 1

  • Anonymous Sep 16, 2010

    I've written many paragraphs to help you, and they all seem to go away when i send them. Will get back to you later

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