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New Muffler... now the car hesitates at WOT!

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    #1

    New Muffler... now the car hesitates at WOT!

    I just recently got my muffler welded on my 1990 Honda Accord EX 5-speed. And now the car hesistates and chokes a bit when I go WOT. The RPM needle jumps from 5000rpm to 6000rpm then drops back down and shoots right back up to 7000rpm. It's quite weird. I don't have any CEL's on, but only when I'm WOT in any gear, the car hesitates and I get irradic RPM movements.

    The RPM needle literally jumps from 4600rpm to 6300rpm and goes up and down until I let go of the gas. Before 4000rpm is totally fine.


    It never did this when I had my stock muffler on. Could a muffler really cause this?
    2005 Alpine White E46 BMW M3 - 1990 Honda Accord EX
    Tags: None
    #2
    Check your ignitor in your distributor. That usually causes something like that.

    The New-ish Ride
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    MK3 Member #3
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    IA 08 Sunburn Victim #1

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      #3
      Originally posted by NAiL05
      Check your ignitor in your distributor. That usually causes something like that.
      thats what happened to me except mine were 3k and over.
      I <3 G60.

      0.5mm Oversized Stainless valves and bronze guides available. Pm me please.

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        #4
        check your ignitor or for a crack in the distributor those tach jumps are actually loss hints of spark then it catching up with itself.

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