Search results

  1. M

    four wheel drive switching on its own

    I have a 2003 Tahoe. I have had it for 8 years. Since I got it I would periodically get a service 4x4 message, usually after switching on the fly. A dealership just said it was a glitch and they could reflash the the computer if I bring it in. Fast forward to now. The last two years only in...
  2. M

    How do you clean the IAC?

    I sprayed carb cleaner around the manifold. I didn't hear any difference.
  3. M

    How do you clean the IAC?

    I know that I should have remembered this, but the compressor has gone out on my truck before that was 6 years ago. They replaced it with a new dealer one. That was like you were describing. I"m sure it could be going again.... If it were clicking on and off, won't the tac move at all? It always...
  4. M

    How do you clean the IAC?

    Im pretty positive when I did the plugs and wires I used acdelco stuff. I'm not sure what plugs the shop used when they replaced them. I'm not totally sure it is a miss. It feels similar to when the compressor clicks on and off, but it's fast like a split second and frequently, bit it does it...
  5. M

    How do you clean the IAC?

    I replaced the wires and plugs about two years ago. This rough idle problem was happening a few months after that, but way worse. The tac would bounce up and down at idle especially with the ac on. I took it to the shop and after a few tries they found that the throttle body was so dirty it was...
  6. M

    How do you clean the IAC?

    Thanks! I'll try spraying around the manifold first. I know I had those gaskets replaced atleast six years ago with the new kind when my truck was really going crazy and I was getting a check engine light. No lights this time, I went to autozone to see if there were any codes, but they reader...
  7. M

    How do you clean the IAC?

    I am still chasing a rough idle on my 2003 tahoe. 5.3. I had a rough idle and badMPG. A few weeks ago. I cleaned the throttle body, cleaned the k&n filter changed the lcv valve and flue filter. My MPG is way up, but I'm still getting a a rough idle. when I cleaned the throttle body I cleaned the...
  8. M

    Throttle Body cleaning

    Yeah, so far I cleaned the throttle body, cleaned the k&n filter and changed the pcv valve. My mpg has gone back up. I'm already over the mpg I was getting with still a quarter tank to go. I also changed the fuel filter Friday and that was pretty clogged. It idles and drives better now also, but...
  9. M

    Throttle Body cleaning

    I got about 265 to a tank and i was getting about 330 before. It's only rough at idle and there might be a little stumble off idle, but it seems drive fine otherwise and no check engine light.
  10. M

    Throttle Body cleaning

    I have read over a few pages of topics on throttle body cleaning and watched a few videos on youtube. I just want to clarify a few details before I do anything since this is my daily driver... I have a 2003 Tahoe with the 5.3 regular fuel. I had a bad idle problem about a year and a half ago...
  11. M

    New guy from NJ

    Hi, I am new to the forum. I have a 2003 chevy Tahoe. It's mostly stock. I try to do as much as I can on my truck ,but i'm used to old cars. My other car/project is a 71 GTO.
Top