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Bouncing idle

Discussion in 'General Tech and Maintenance' started by ericL, Apr 9, 2006.

  1. ericL

    ericL Senior Member

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    Ok, I posted awhile back trying to solve a surging idle problem on a JDM B16A SiR2 in an EG. Well I'm still trying to solve the problem [​IMG] .

    It only occurs when the car is fully warmed up.

    I have the skunk2 throttle body that does not have a FITV so I have the coolant lines that would have run through that just running in a loop.

    I've replaced the IACV, bled the cooling system, tested the TPS voltage, couldn't find any vacuum leaks, tried putting a block off plate between the IACV and the intake manifold... All with no success. If anyone has somemore insight please help me out!
     
  2. ripperbone

    ripperbone angry bear

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    the skunk2 TB doesnt have the coolant lines on it and you need them, its like a choke
     
  3. ericL

    ericL Senior Member

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    I was under the impression that the only time that the FITV came into play was during warm up and not after?
     
  4. ripperbone

    ripperbone angry bear

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    no mine did after warm up, and I hated it, for the longest time I thought it was a vacuum leak, but it turned out to be some screw in the coolant line under the TB that needed to screwed in, after that worked like a champ
     
  5. ericL

    ericL Senior Member

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    Was it a screw on the actual throttle body or the FITV?
     
  6. ripperbone

    ripperbone angry bear

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    so the screw is in the fast idle valve assy. there is 3 10mm bolts holding on the fast idle valve assy to the throttle body and there is a plate on one side with 2 screws, take that plate off and there is a plastic screw inside that I screwed in and then had no problems. hope this answers your question
     
  7. ericL

    ericL Senior Member

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  8. ripperbone

    ripperbone angry bear

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    get rid of your skunk2 TB, you are not the first person with problems with them, VTECPOWER also had a skunk2 TB and had nothing but problems untill he put back on his stock TB
     
  9. ericL

    ericL Senior Member

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    Gotcha, that's what i wanted to know, if it's the TB itself or something else. Thanks!
     
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