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  1. C

    Fast Idle

    Thanks for the advice. I did a reset by jumping a&ab on the ALDL port but haven't had much time to try anything else. Weather is going to be warm this weekend and I'll delve into it further
  2. C

    Fast Idle

    I Have replaced most vacuum lines and the. With the engine running disconnected each and noticed the change in rpms. I've also sprayed starter fluid around and have gotten no change or increase in rpms
  3. C

    Fast Idle

    Help! I've been building on my 87 K5 and have an extremely high idle problem. I've installed a late model 350 with Vortec heads and a Comp Cams 270 HR cam. We used GM TBI intake manifold made for this upgrade, have replaced all sensors, checked thoroughly for vacuum leaks, put in Motorvations...

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