Recent content by Asmodaues

  1. A

    2013 tahoe rough start/stumble.

    At hot idle this is my MAF. I will get a fuel pressure tester tomm and check it at the rail. I try to run e10/15. I got into some Jumpstart 93 that apparently can have up to 30%....wont be using that anymore.
  2. A

    2013 tahoe rough start/stumble.

    Good afternoon. I have a 2013 tahoe, 5.3 flex fuel, 134k miles. I have a issue where when I start it stumbles but not enough to die. It will smooth out and run fine after that. It does it when its cold or has sat for a bit. There are no issues after it. It runs fine, strong, has power. No...

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