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Old 02-15-2013, 07:30 PM
Doc_Sargent Doc_Sargent is offline
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Question Very slow acceleration... o2 sensor?

I installed a MPx downpipe without a cat this morning. I drove it around for about two hours and the power difference was incredible. My engine check light came on after about 2 hours of driving. I stopped at a stop light and upon it turning green, I had no power. My car could drive, but I couldn't accelerate at all. I was a turtle. When I put my car in neutral/push in the clutch, I can rev like crazy. But if I'm in gear and I try to go, my RPMs go up so slow and I accelerate like a handicap cart in Walmart. I THINK I blew my o2 sensors... But I don't want to be buying and replacing things if I don't know for sure. Any suggestions?

-Tim
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Old 03-01-2013, 02:36 PM
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it is exactly your o2 sensors you need to have a programmer on your o2 sensors for the car to work correctly. your computer is shutting you down. they are smart my friend!! LOL


go to your local muffler shop and or shop and ask for help!



cheers!!!
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Old 04-29-2013, 06:02 PM
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I literally just ran into this problem! My car does the same thing but with my new blow off valve, I had to get my code erased with a programmer. And now it works fine.
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