Question about 2002 GMC Denali

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Vehicle chokes, sputters, and then shuts off

I have a 2002 GMC Yukon Denali, when i start my vehicle, it will start initially, then choke down, sputter and shut off.

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Start with the simple and replace the fuel filter. The fuel filter may have reached the end of it's life time and is dirty causing the issues you have. The worst is the fuel pump it self has gone bad and needs to be replaced, the fuel pump should be producing 62 to 65 PSI when the engine is started and should drop no more then 5 PSI when the engine is running. You can check the fuel pressure at the shredder valve with a fuel pressure gauge. Good luck and keep me posted, be glad to help get your Yukon running 100% again.

Posted on Nov 16, 2009

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Posted on Jan 02, 2017

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I am not familiar with your vehicle but if you call an auto parts store they will pull up a schematic for you and show you where it is exactly. Most likely a dealer would do the same.

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Could be spark plugs.. Or spark plug wires.
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Jul 08, 2009 | 2002 GMC Yukon Denali

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Keyless remote wont work, vehicle completely shut down


Hi Russell,

Absolutely no power? No dome light? No head lights? Nothing?
When you step on the brake pedal, no brake lights?

If true, start at the source and pop the hood.

This is going to be a bit of back and forth dialogue. I'll ask some questions and you get me the answers. That way we can get to the root of the problem. To save time, I'll ask multiple questions at a time. Here goes.

  • Check the battery. Is it still there? (Valid question with no evidence of power)
  • Are the terminal clamps tight?
  • Are the terminals clean and free of corrosion?
  • Are all the belts in place and tight? (pay special attention to alternator)
  • If you have a voltmeter. test the voltage at the battery terminals. It should be +12.5VDC.
Try getting a jump, when the cables are attached does anything light up?
Does it turn over and start?
Does it do anything?

Comment me back with your findings
Mike

Jan 05, 2009 | 2002 GMC Yukon Denali

1 Answer

2001 gmc yukon denali


If it is a hose, you will have no coolant. That will do it.

May 06, 2017 | 2001 GMC Yukon Denali

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