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  1. Z

    Trans not shifting

    sometimes when shifting from third to second it revs up like its in neutral
  2. Z

    Trans not shifting

    Great information Chris. Much appreciated. Tried shifting manually, and that seems to work most times.
  3. Z

    Trans not shifting

    I will try to shift manually in the morning. Would a TPS/MAF issue throw a code? Check engine light not on. Also I am looking at a 2009 with 160,000 miles. Are the transmissions any better?
  4. Z

    Trans not shifting

    2003 Yukon. Trans doesn't shift out of low gear without getting all the way out of the gas, and easing back into it. No check engine light on.
  5. Z

    Yukon fuel line leak

    2003 Yukon. Changed fuel filter and now it leaks badly from push on fitting at front of filter. Is there an o ring in fitting that I might have torn? Local parts store knows nothing about it. Thanks in advance for any help.
  6. Z

    2003 Yukon random no start

    Changing pump today. Thanks for advice!
  7. Z

    2003 Yukon random no start

    Started right up this morning. Let it run for 15 minutes. Shut it off. Tried to restart it, ran rough for a couple of seconds then died. Won't restart. Put fuel gauge on fuel rail. Showed no fuel pressure. When I removed gauge there was fuel in the line . Gauge is new. Blew some air in gauge...
  8. Z

    2003 Yukon random no start

    Never had a chance to check spark. It started right up when I went to diagnose problem.
  9. Z

    2003 Yukon random no start

    Drove Yukon to store the other day. Ran fine. Went to start it to leave, and it would crank but not start. Came back 2 hours later and still would crank, but not start. Noticed when I cranked over engine that tachometer didn't move. Had towed home. Went out the next day to hook up a fuel...

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