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Thread: Idle issues

  1. #1
    Potential Tuner
    Join Date
    Jul 2015
    Location
    PE
    Posts
    2

    2007 Trailblazer SS Idle issues

    Hey guys,

    I am having problems with my idle. At first cold start truck idles fine 1000rpm till it warms up then drops down between 600-800rpm. After the truck warms up to operating temps it seems like the throttle is stuck open or something. In drive the truck constantly idles between 1300-1500 and keeps me at roughly 40mph. The problem started when I sent my comps to PCM to get a retune for their 4" FWI with LS7 MAF. I've did a couple throttle body relearns, cleaned everything and still the same issues. I installed a 3200 stall but it started before the install of the torque. When HPTuners is plugged in I can adjusted the idle but when I give it a shot of gas and the duel comes back down, it automatically goes up on its own. Throttle % is at 24-26 when it does it on it's own. Here is a video of what it's doing;

    http://vid1282.photobucket.com/album...psdigcbp4p.mp4

    Any input would be greatly appreciated. Still trying to figure out HPTuners
    Last edited by Kogdevilnuts; 07-26-2015 at 04:19 PM.

  2. #2
    Tuning Addict
    Join Date
    Jan 2015
    Location
    Franklin, NC / Gainesville, Ga
    Posts
    6,815
    You'll have to post up at least the tune for anyone to help you out. Sounds like self cruise and your min airflow table is way too high if I had to guess though...
    2010 Vette Stock Bottom LS3 - LS2 APS Twin Turbo Kit, Trick Flow Heads and Custom Cam - 12psi - 714rwhp and 820rwtq / 100hp Nitrous Shot starting at 3000 rpms - 948rwhp and 1044rwtq still on 93
    2011 Vette Cam Only Internal Mod in stock LS3 -- YSI @ 18psi - 811rwhp on 93 / 926rwhp on E60 & 1008rwhp with a 50 shot of nitrous all through a 6L80

    ~Greg Huggins~
    Remote Tuning Available at gh[email protected]
    Mobile Tuning Available for North Georgia and WNC

  3. #3
    Potential Tuner
    Join Date
    Jul 2015
    Location
    PE
    Posts
    2
    I'll post up my current file when I get a chance I am new to this stuff, bare with me.