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  • hesitation above 3K rpm

    This is primarily a problem in 2-4 gears (M5). What could this be, it is quite frustrating. It feels like the car is choking out. Just cleaned my K&N last month, installed underhood ram air and whisper lid, so I don't think it is there. Any help greatly appreciated, thanks.

    [ April 28, 2005, 10:00 AM: Message edited by: VaeVictus ]
    Geaux Tigers

  • #2
    im having a similar problem actually, but its 1st and 2nd gear. i punch it from a slow roll and it hits about 3500 rpms and i can actualy feel the car "slow down" and my body moves forward like i hit the brakes. im not exaclty sure where to start looking becuase it just started happening like a week ago.
    1993 3.4L camaro<br />bright red, t-tops, homemade CAI<br /><br />\"thats not funny, that god damn racoon, just be glad you left tire marks over his body for screwin up your car\"<br /><a href=\"http://www.cardomain.com/ride/794378\" target=\"_blank\">http://www.cardomain.com/ride/794378</a>

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    • #3
      When I needed new plug wires my car only hesistated above 3k rpms. check those, it may be your problem.
      \'99 SSM Camaro V6 M5<br />(mod list on cardomain site; too long to list here)<br /> <a href=\"http://www.cardomain.com/id/v6cam99\" target=\"_blank\">http://www.cardomain.com/id/v6cam99</a>

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      • #4
        Stupid, question but I gotta ask. Are you shifting gears way too early? Ok, now that that is out of the way, try some spark plug cleaner. If that fails, I would consider new plugs, wires, and coil packs.
        1998 A4 Pontiac Firebird

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        • #5
          lol, no when i race i shift at like 5000 or so (maybe a lil higher) and when im jus driving i usually shift at 2500-3000 so thats not it sorry. [img]tongue.gif[/img] ill check the plugs and wires tomorrow, thanks
          1993 3.4L camaro<br />bright red, t-tops, homemade CAI<br /><br />\"thats not funny, that god damn racoon, just be glad you left tire marks over his body for screwin up your car\"<br /><a href=\"http://www.cardomain.com/ride/794378\" target=\"_blank\">http://www.cardomain.com/ride/794378</a>

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          • #6
            Check your cat. To much back preashure will also cause the problem you discribed.
            Black 2000 Y87 Camaro with T-tops ,SLP bowtie grill, Suncoast Creations Ram air hood and air box,Hypertech pp3,magnaflow cat back,and hi flow cat. <a href=\"http://members.cardomain.com/sorn09\" target=\"_blank\">http://members.cardomain.com/sorn09</a>

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            • #7
              It isn't a problem of shifting, it's only when I am trying to accelerate more quickly than usual, not punching it, but say if I pull out wanting to pick up the pace to avoid traffic getting too close. If I accelerate normally, you wouldn't notice. I hate not being able to run my car w/o hesitating and the embarrassing popping that comes from my exhaust.
              Geaux Tigers

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              • #8
                I had the same problem not to long ago ... check your coils with a Multi-Meter. My middle coil was shot, she drove fine until the RPM's were getting up to 3+ then would get all sluggish and felt like it was missing ... it was.

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                • #9
                  Sounds like electrically related misfires... I had the exact (and I mean exact) same problem in my new firebird (new to me anyway)

                  Turned out the previous owner put 5 AC Delco spark plugs and 1 Bosch Plug in there... I had them all changed.

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