What's making my RPM fluctuate? - FirebirdV6.com/CamaroV6.com Message Board

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  • #1

    What's making my RPM fluctuate?

    After driving 34 miles this morning and parking the bird, my rpm was jumping from 800 to 1200.

    I popped the hood to do a quick check. I can't find any vacuum leak or disconnected tubes. This might get worst on my way back home. What else is there to check?

    1998 Firebird . 1989 Firebird XS . 1986 Fiero GT
    Tags: None
  • #2
    Throttle Position Sensor
    Idle Air Controller

    Anything related to your throttle body really.

    Turning your car off and back on might even fix it.
    -Kevin<br /><a href=\"http://heinz.no-ip.com/Car%20Pics/IM000117.JPG\" target=\"_blank\"><b>\'96 White Camaro RS M5</b></a> <br />GTP Shortblock - T3/T4 -6psi Intercooled<br />Open Downpipe

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    • #3
      dirty MAF sensor?

      or what 1DV6 siad.


      mine does it when the car is cold
      www.turbov6camaro.com
      1997 3800 Series II Camaro
      4600 Stall for my ride to the mall :chug:
      7.18 @ 99.77 1/8 -1.8x sixty (current quickest v6 fbod)
      11.23 @ unk 5 1/4 - 7.19 1/8 - 1.83 sixty

      Comment

      • #4
        Do you still have your maf screen in?
        08' L76 6.0L 4X4 Chevy EXT.Cab LTZ Vortec MAX with Snug top cover, Dynomax exhaust,Hptuners& K&N intake
        96' Camaro M5 to A4 conversion, alot of mods . GT35R Turbo full suspension. Built engine

        Comment

        • #5
          Originally posted by ssms5411:
          Do you still have your maf screen in?
          hell no [img]graemlins/banana.gif[/img]
          www.turbov6camaro.com
          1997 3800 Series II Camaro
          4600 Stall for my ride to the mall :chug:
          7.18 @ 99.77 1/8 -1.8x sixty (current quickest v6 fbod)
          11.23 @ unk 5 1/4 - 7.19 1/8 - 1.83 sixty

          Comment

          • #6
            Lol
            08' L76 6.0L 4X4 Chevy EXT.Cab LTZ Vortec MAX with Snug top cover, Dynomax exhaust,Hptuners& K&N intake
            96' Camaro M5 to A4 conversion, alot of mods . GT35R Turbo full suspension. Built engine

            Comment

            • #7
              yeah when i put a new MAF in that took care of it
              <b>12 SECOND DUAL STAGE DRY NITROUS POWERED 98 A4 V6 CAMARO<br /><a href=\"http://www.mysickcamaro.50megs.com\" target=\"_blank\">www.MySickCamaro.50megs.com</a><br />Best ET: 12.82@103<br />Best MPH: 104.7<br />Best 60\': 1.75 - Stock TC</b><br /> </font><blockquote><font size=\"1\" face=\"Verdana, Helvetica, sans-serif\">quote:</font><hr /><font size=\"2\" face=\"Verdana, Helvetica, sans-serif\">Originally posted by Shodown:<br /><strong>1DV6 runs 12\'s...enough said. </strong></font><hr /></blockquote><font size=\"2\" face=\"Verdana, Helvetica, sans-serif\">

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              • #8
                Yeah, I left mine in because RPM was fluctuating without too. LOL

                1998 Firebird . 1989 Firebird XS . 1986 Fiero GT

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                • #9
                  Thor, not high jack this but read my post about my rebuild, didn't 928 rebuld your powerdyne.
                  08' L76 6.0L 4X4 Chevy EXT.Cab LTZ Vortec MAX with Snug top cover, Dynomax exhaust,Hptuners& K&N intake
                  96' Camaro M5 to A4 conversion, alot of mods . GT35R Turbo full suspension. Built engine

                  Comment

                  • #10
                    try unpluging the maf
                    www.turbov6camaro.com
                    1997 3800 Series II Camaro
                    4600 Stall for my ride to the mall :chug:
                    7.18 @ 99.77 1/8 -1.8x sixty (current quickest v6 fbod)
                    11.23 @ unk 5 1/4 - 7.19 1/8 - 1.83 sixty

                    Comment

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