Recent content by Jfulps14

  1. J

    2007 Yukon Denali RPm increase without pedal input

    Yeah very similar to mine. Basically each initial acceleration after dropping sub 1k I have the problem and have learned to push it to about 2500rpm and take my foot off the pedal and wait a few seconds and it’ll relax and drop down and drive as it should. It’s such an oddly specific issue that...
  2. J

    08 Tahoe struggles first acceleration then drives great

  3. J

    08 Tahoe struggles first acceleration then drives great

    Copy that I’ll do that later today. It’s just such a specific thing that happens EVERY time upon first real acceleration (I wish I could be more specific, it’s just each time I’m giving it gas from sub 1k rpm or sub 20mph to accelerate as you would when a light turns green) it feels like I...
  4. J

    08 Tahoe struggles first acceleration then drives great

    I took a couple pictures of the live data tonight while driving it. To be honest I’m not very knowledgeable with these kind of things so I may not have been focusing on the correct aspects that will help me find out the underlying cause. Also to be more specific the vehicle will accelerate...
  5. J

    08 Tahoe struggles first acceleration then drives great

    My apologies I misspoke. I meant to say antifreeze not transmission fluid. However, that was really a (hopefully) irrelevant part of the background and context to my current issue. I see how it could spark confusion though thanks for pointing that out for me.
  6. J

    2007 Yukon Denali RPm increase without pedal input

    I had a very similar issue with my 08 Tahoe after cleaning the throttle body. Sometimes when starting it would surge over 2k. Or when I parked if I did not wait 5-10 seconds for rpm to drop under 800-1k when shifting to park it would surge over 2k again. Tried the manual reset, the drive...
  7. J

    08 Tahoe struggles first acceleration then drives great

    So for some background information I recently bought an 08 Chevy Tahoe with 201k miles for $1900 bucks. The seller let me hook up my tool and was up front about the check engine light and the P0121 code. After purchasing it, one of the first things we did was clean the throttle body. After...
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