Thread: Repost-Low RPM/Weak acceleration

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  1. #1 Repost-Low RPM/Weak acceleration 
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    2004 Grand Prix 3.4
    So I can?t figure out what?s wrong with the acceleration for my vehicle.
    For some reason in some times the engine takes like about 8 to 10 seconds do accelerate. It feels like there's no fuel coming through. Eventually it works after a few miles and doesn't do it as often. But it is an issue that I'd like to fix, If I tap the gas pedal a couple of times feels like it throwing the shifts. But there's no problem with my tranny. Times this doesn't even happen.
    I have cleaned the throttle body many times but obviously that's not the issue.
    Any tips or help is greatly appreciated.
    Thanks in advance.
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  2. #2 Re: Repost-Low RPM/Weak acceleration 
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    Turns out the cause was the oxygen sensor in case others have the same issue.
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  3. #3 Re: Repost-Low RPM/Weak acceleration 
    GTX Level Member cheatah faheatah's Avatar
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    See my reply to your other post. Fuel pump relay issues. Good Luck....E
    For the record : I am NOT a naked meth-head who shoves rocks up my butt.
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  4. #4 Re: Repost-Low RPM/Weak acceleration 
    GTX Level Member cheatah faheatah's Avatar
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    Quote Originally Posted by cheatah faheatah View Post
    See my reply to your other post. Fuel pump relay issues. Good Luck....E
    DERP..... didn"t see post #2. Getting old sucks. Wait... where am I ...??????
    For the record : I am NOT a naked meth-head who shoves rocks up my butt.
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  5. #5 Re: Repost-Low RPM/Weak acceleration 
    GTX Level Member cheatah faheatah's Avatar
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    Quote Originally Posted by JoeBoxer1130 View Post
    Turns out the cause was the oxygen sensor in case others have the same issue.
    I would think if it was an 02 sensor issue, you would have been getting a c.e.l.......not mentioned on op?
    For the record : I am NOT a naked meth-head who shoves rocks up my butt.
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  6. #6 Re: Repost-Low RPM/Weak acceleration 
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    Yeah. As soon as I unplugged the O2 sensor the engine was smooth. No rough idle until I connected it back. Didn?t show up on my scanner to check it before.
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