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vtec stutters....

Discussion in 'Civic and CRX - EF' started by 91si, Oct 16, 2007.

  1. 91si

    91si New Member

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    pretty simple, vtec used to work good, then one day it doesent.\
    b16a into an ef, when vtec hits it hits good for a half a sec, then starts sputtering like its redlining, but only around 45.5k-5k....

    Basicly its not engaging fully.

    Any ideas...i heard low oil can cause this, but my oil is full...

    I added a qt of oil still does it..
    Car is fully wamrmed up..
    I cleand both solenoid and switch...
    It works just cuts in and out.

    Sounds like its hitting a rev limter around 5500rpms..
    Pissing me off any ideas?
     
  2. 91_civic_si

    91_civic_si New Member

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    Did you check for codes?
     
  3. 91si

    91si New Member

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    Yep not throwing any codes.
     
  4. Andrew

    Andrew Well-Known Member

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    The first thing I thought of was to clean the solenoid and the screen/gasket assembly. I'd replace it. It's unfortunately like $25-30, but it's part of the elimination process... and it can't hurt to do it.
     
  5. 91si

    91si New Member

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    I stated in my first post i cleaned both screens, and solenoid and switch, there is nothing else i can clean.....\

    Any more idea?
     
  6. Andrew

    Andrew Well-Known Member

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    Tried a different solenoid all together from a different car, to see if it remedy's it?
     
  7. 91si

    91si New Member

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    I dont have a solenoid i can try. But i put a constant 12v to the soleniod and it clicks really fast...so i know it works.
     
  8. Andrew

    Andrew Well-Known Member

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    Just put another one on there. Process of elimination, bro.
    Junkyard, Friends, Buy one from honda then return it. idk.
     
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