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95 Cutlass 3.4 engine surge HELP!!

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  • Question : 95 Cutlass 3.4 engine surge HELP!!

    I recently completed the timing belt change on a 95 Cutlass w/ 3.4l. After I was done the car starts and idles fine but when I rev the engine it starts to surge at about 3500 RPM. I tore it back down, rechecked the cam positions and even confirmed TDC by removing the #1 plug. I read somewhere that some of the V6s had a protection feature that may do something similar but it seemed to be after 1996. Can anyone give me some ideas? Will the cam timing being off possibly cause this issue?

    Thanks in advance.

    Just a side note, I just bought this car, it had 120K miles on it and we could not find out if the belt had been replaced. I do not have enough experience with the car to know if the surge when revving the engine is normal but it sure seems odd.
    Last edited by Behler01; 04-11-2013, 07:48 PM. Reason: more info

  • #2
    is it doing this in park/neutral or while driving?
    1995 Monte Carlo LS 3100, 4T60E...for now, future plans include driving it until the wheels fall off!
    Latest nAst1 files here!
    Need a wiring diagram for any GM car or truck from 82-06(and 07-08 cars)? PM me!

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    • #3
      Originally posted by robertisaar View Post
      is it doing this in park/neutral or while driving?
      It's happening while in park. I have not completed assembly (left p/s pump, belt and belt cover off)

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      • #4
        sounds like you're running into the park/neutral rev limiter.
        1995 Monte Carlo LS 3100, 4T60E...for now, future plans include driving it until the wheels fall off!
        Latest nAst1 files here!
        Need a wiring diagram for any GM car or truck from 82-06(and 07-08 cars)? PM me!

        Comment


        • #5
          Originally posted by robertisaar View Post
          sounds like you're running into the park/neutral rev limiter.
          Gotta agree with that one. I kinda freked out the first time I revved mine like that too. Perfectly normal....

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          • #6
            Originally posted by project 92z View Post
            Gotta agree with that one. I kinda freked out the first time I revved mine like that too. Perfectly normal....
            I did the same on the test drive of my 91, lol. This was years before the 5 speed swap.
            -60v6's 2nd Jon M.
            91 Black Lumina Z34-5 speed
            92 Black Lumina Z34 5 speed (getting there, slowly... follow the progress here)
            94 Red Ford Ranger 2WD-5 speed
            Originally posted by Jay Leno
            Tires are cheap clutches...

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