Slow throttle response?

Discussion in 'General Tahoe/Yukon/Escalade Discussion Forum' started by Gapp, Sep 19, 2006.

  1. Gapp

    Gapp Full Access Member

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    It seems like when I hit the gas, there is almost a full second before the truck responds. I have about 300 miles on the motor, so its not broken in, but I bought an '02 brand new and it didn't have this problem. Anybody else have this happen to them?
     
  2. LAP TOP GAMER

    LAP TOP GAMER Full Access Member

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    Yeah it is a little sluggish at first, but then it's not a Corvette ether. I figure it might have to do with the exhaust restriction.
     
  3. binmack

    binmack New Member

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    I can feel the same thing but it feels to me like its the electonic throttle setup.

    The first first part of the travel on the pedal does little but if you press past that part the engine responds well.

    I don't think the engine itself has any power issues with moving the truck and it feels stronger than my previous generation Yukon.
     
  4. LAP TOP GAMER

    LAP TOP GAMER Full Access Member

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    I think you are right as it seems to be the way the throttle is set up.
     
  5. LAP TOP GAMER

    LAP TOP GAMER Full Access Member

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    It doesn't really bother me that much as the truck drives very nice and I am very happy with it.
     
  6. Gapp

    Gapp Full Access Member

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    It isn't something I can't live with. I'm just used to my car throwing me back as soon as I hit it. :rolleyes: :p
     
  7. LAP TOP GAMER

    LAP TOP GAMER Full Access Member

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    I don't mind it, as it is a large SUV and it lets me know that.
     
  8. bparker

    bparker Full Access Member

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    It might be a displacement on demand tuning issue as well.
     
  9. LAP TOP GAMER

    LAP TOP GAMER Full Access Member

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    I doubt it as it uses all 8 cylinders to accelerate.
     
  10. basecorvette

    basecorvette New Member

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    I've never had any problem with my Yukon being sluggish. If I mash the gas, it will kick me back in the seat.
    I agree it doesn't take off like my vette, but not much does.
     
  11. LAP TOP GAMER

    LAP TOP GAMER Full Access Member

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    I think it is fine for a big SUV.
     
  12. 4.8t

    4.8t New Member

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    its in the tune. its designed to open the throttle body slowly to help keep from breaking traction during take off. if you get something like hptuners you can adjust that to where it reacts alot faster. there is a table in the software that shows throttle percent and and a few other things to determin how fast to open the throttle body. usually the more throttle you give it the faster it will open. to a point. if you change this and some of the timming tables and a few other things you will notice a total difference in the thing.
     
  13. LAP TOP GAMER

    LAP TOP GAMER Full Access Member

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    I like it the way it is as once it opens up the beast will fly.
     
  14. LTZJoe

    LTZJoe New Member

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    Could it be the grade of gasoline you're using? I use mid-grade only.
     
  15. Gapp

    Gapp Full Access Member

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    Naw, I use premium only.
     
  16. LAP TOP GAMER

    LAP TOP GAMER Full Access Member

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  17. Gapp

    Gapp Full Access Member

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    Yes. Fuel with a higher octane rating burns better and reduces carbon deposits more than lower octane fuel. In addition, you will actually see a better MPG (given the diff isn't huge) and better engine performance. Higher octane also reduces pinging often associated with newer engine/crappy gas combos.