Mitsubishi - Endeavor :: Surging During Acceleration And Continual Puttering Or Bumpy Ride Feeling At High Speeds


Mar 18, 2014

I have a 2008 Mitsubishi Endeavor with 308,000 miles on it and am on the return portion of a road trip with 700 miles to go and my car is driving terribly. I had my oil changed today and they used a high mileage oil, said that my filters were fine and I needed to do a tranny and power steering flush which I said I would do once I got home. My service engine soon light has been on and every so often while idling or slowing down my car would putter and act as if it would bail out but never actually die. When I ran the computer it said it was an issue with the o2 sensor but after put a fuel cleaner in the system, it always felt better.

Not today I drove about 900 miles Saturday, did a little bit of in town driving Sunday and it started to putter while idling but what was new was the surging during acceleration and the continual puttering or bumpy ride feeling when I'm at high speeds and 2000 - 3000 rpms. I'm in the middle of nowhere and after talking to Autozone, my mechanics and trying to self diagnosis online, I've been told that I need to indure the bumpy ride to get home but when I do, will need to figure out what with the o2 sensor needs fixing or Ill need new spark plugs or a new fuel pump. all that sounds good but the way my car is puttering feels terrible! there's no odor, leaks or sound ... it just feels like I'm going 80 miles an hour but I'm going to stall out at the same time.

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2000 buick regal ls ......

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