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  1. Mechanical Issues (Owner) and Questions
    Been having P0301 misfire every couple weeks for the last few months. I've just been swopping the plug out. Runs great immediately then few weeks later it happens again. It rarely ever smokes. Seems to only burn oil on day of misfire. Plug always looks oil and carbon fouled. I've ran Techron...
  2. Mechanical Issues (Owner) and Questions
    Hello all, I ran into some trouble with my 500 yesterday, and I was hoping I could get some insight/advice or help with situation, that would be great! :) I am also browsing the forums to see if there is a similar case with mine, hoping there is some help there too. Car info: 2012 Fiat 500...
  3. Mechanical Issues (Owner) and Questions
    Hi, my 2012 500 Sport, manual transmission, 232520 miles is giving a P0301 code. Rough idle and low power. I have replaced the spark plugs, ignition coils, PCV O-ring, PCV valve and ran a short time with some Seafoam cleaner. I did not replace the whole AOS box but did the cleaning process...
  4. Mechanical Issues (Owner) and Questions
    I just bought a 2012 500c Pop with 106000 miles. I’ve owned it less than a month I think it’s DOA. I was driving it today and the check engine light starting flashing(I know this usually means a misfire) I managed to get it 2 blocks from my house and it died. I tried restarting after I pulled...
  5. Fiat 500 General Discussion Forum
    Hi everyone! Just recently bought a 2012 500 Sport for my wife with 130000km (81k miles) and I'm having some issues I was hoping to get help with. After we picked it up I immediately put a bottle of injector cleaner in it and fueled up. Heading home to do an oil change and the CEL came on and...
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