Question about 2000 GMC Yukon Denali

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Truck shuts off while in park idling.

Truck use to start drive or run for while then we would turn it off and it wouldnt start for hours later... Then it shut off 2times while we were driving and wouldn start back up until several hours later. We put a new crank sensor in her. Then she ran fine for a week. We ran errands all day then stoppd in the driveway she sat idle for 10mins then turned off on her own. We tried to start her and she wont turn over... Help

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  • 539 Answers

Your car is 18 years old. It's likely history. Sell it as is for what you can get.

Posted on Jul 15, 2017

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6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

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SOURCE: Sierra 3500HD rough idle

do a good tune up it is not the tranny . you might think about a good diagnostic test to make sure it is not a senser it is hard to say for me onless i could look the truck over my self . good luck

Posted on May 18, 2008

emissionwiz
  • 76630 Answers

SOURCE: shuts off while driving. no fuel pressure. pcm fuse blows/ fuel pump relay inserted.

Sounds like the fuel pump is shorted.

Posted on Nov 03, 2008

limotec
  • 33 Answers

SOURCE: 1988 Chevy Cherokee truck won't start

Hello
I have come across this problem before & all it was 10amp fuse with a bad Connection under the bonnet so if you check all the connections you will probley find the one playing up. or you pintail vavle could be stuck
hope this helps
www.limotec.co.uk
Paul

Posted on Jan 11, 2009

MrScary66613
  • 1990 Answers

SOURCE: 2003 gmc yukon wont idle

I know that this will sound Stupid. Change the Fuel Cap. If the Seal on the Gas Cap is Bad it will allow Air to get into the Fuel tank and cause your Rough Idle.

Posted on Jan 23, 2009

polarcycle
  • 1392 Answers

SOURCE: truck idles fine but has no power

Does the exhaust sound muffled? Could be a bad catalytic converter.

Posted on Mar 06, 2009

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