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rpm nidle jumping

Discussion in 'Engine Building' started by possessedimports, Sep 13, 2003.

  1. possessedimports

    possessedimports Member

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    i have a 91 integra with a jdm b16 in it and last night i was driving on the parkway and when i looked at my tachometer i seen it jumping.it didnt have any effect on the way the car was driving. what can make that happen :hmm:
     
  2. All Show

    All Show Member

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    Vacuum leak? Not sure but that is my guess.
     
  3. dmxbmx

    dmxbmx Junior Member

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    ive had that happen plenty of times...i can recally driving down rt 46 and having that happen...check all the vacume lines and even check your sensors...i had a sensor fall out once and the idle bounced
     
  4. liquid00meth

    liquid00meth Senior Member

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  5. brian11to1

    brian11to1 Senior Member

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    He said it didnt effect the way his car ran, so it has to be Electronic correct? If not then Im lost, sorry if I confused everyone
     
  6. Iquark

    Iquark Senior Member

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    Did you hear the engine changing RPMs, or was it just the needle that was bouncing?
     
  7. 5th gen civic

    5th gen civic Member

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  8. hybrid89

    hybrid89 thistownsucks...

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    Almost garaunteed that it is one of your ignitor conections inside the distributor. Rip the cap of the distro and check all the connections.
     
  9. Cashizslick

    Cashizslick !i!i!i!i!i!i!i!i!i!i!i!

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    The same thing happened to me, i replaced the igniter in my distributor and the problem was fixed.
     
  10. possessedimports

    possessedimports Member

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    where s that and yesturday i was on the highway and i seen it jumping again. it starts around 3500 and stops 4500.
     
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