Question about 2002 GMC Yukon XL

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02 yukon denali xl wont start, i replaced battery, alternaor and starter are both good truck still wont start

Posted by fonz77 on

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  • Jonathan Dawson May 11, 2010

    Will the engine spin over like it is trying to crank, or does it not spin over at all.

  • sylvia garza
    sylvia garza Dec 09, 2016

    i have put new IGNTION NEW FUEL PUMP MY TRUCK ACTS AND SOUNDS LIKE ITS ABOUT TO START THEN KILLS OVER

  • sylvia garza
    sylvia garza Dec 09, 2016

    NO IT SPINS, IT NEEDS RECODEING

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2 Answers

Frank Fulton

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Did you try to replace the starter cable? is the Truck turning over or just clicking.? If it's turning over and not starting. Best guess would be one of two things. Knock sensors Located under intake manifold. they get wet and deteriorate or the fuel pump. I've replaced all three on mine. 233k still running strong...

Posted on May 24, 2009

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Anonymous

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Change fuel filter, if no start after that, check to see if the fuel pump is pumping fuel. No fuel, replace fuel pump $234 with RFI $189. w/o RFI (Radio Frequency Interference)

Before replacing fuel pump replace the fuel pump relay first (cheaper solution $16.00 with tax) and see if the truck will fire up.
If it doesn't.............fuel pump time.

Posted on Dec 02, 2008

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1 Answer

2002 yukon denali xl wont start


Does the starter crank the engine over? If so, check for spark on a spark plug wire when cranking. If you have a strong blue spark, ignition is probably good. Check fuel pressure. Do you hear the fuel pump turn on for 2 seconds when turning key to on?

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I'll try to help, everytime something gets replaced on these yukons, that circuit needs to be RESET ! Is there a reset button, on your steering wheel, to reset a variety of functions ? , check owners manual, or call your dealer for better advise

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sound like battery has weak or battery terminals and post need cleaning. have battery charged and checked, if battery good. alternator not charging battery. if battery over 5 years old more likely battery is bad.if battery too weak head lights wont turn on battery dead this time of year if battery old. cold weather will finish it out.

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Define - It attempts to turn over but won't catch and run ???? When you turn the key to start does the starter engage an spin the engine ? This would be a crank no start condition . If the starter doesn't engage an spin the engine this would be a no crank no start condition . Sorry to ask but i have only been an auto tech for thirty years an have heard a lot of different discriptions for these simple actions . crank no start or no crank no start . Very different diagnostic procedures . So when you turn the key to start , does the starter engage an spin the engine ,but won't start an run ?

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2000 yukon denali will not start


I had problems with my remote button, with battery fully charged turn on key for ten second, turn key off un-hook positve side of battery, re conect turn key to on postion then try to start, it worked for me I have a 2003 denali yukon XL, the motor would fire then stop.

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disconnect battery, disconnect wiring from starter & label, remove 2 bolts holding starter to engine. install new starter & bolts, reinstall wiring & reconnect battery

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1 Answer

Engine Oil Life


Change Your Oil And Filter Then Remove The Negative Battery Cable To Reset It.

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