Question about 2001 GMC Yukon Denali

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I have a 2001 Yukon Denali that won't start. It

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  • GMC Master
  • 3,519 Answers

You need to make sure that the engine has what an engine needs to run. The obvious ones are fuel and spark. Make sure there is at least 40LBS of fuel pressure at the injector rail when cranking. If so, you will need to make sure the injectors are opening. If you verify that the engine is getting fuel you need to make sure there is fire to the plugs when cranking. If it is getting fuel and spark, you need to make sure there is enough compression for the engine to run. And lastly, if it has everything else it needs to happen at the correct time.

Posted on Dec 19, 2017

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Posted on Jan 02, 2017

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Anonymous

  • 40 Answers

SOURCE: the ignition won't turn for a 2003 gmc yukon denali

make sure the wheels are straight.. if you park them with them turned to one side the steering column is under a bind.... if they are turned all the way to the right you will for example have to turn it a little to the left to release pressure as you turn the key...

Posted on Nov 26, 2008

Anonymous

  • 1 Answer

SOURCE: 1999 Yukon cold start problems.

1999 Yukon Start Issue - I have replaced the octopuse, battery, fuel filter, fuel pump, still having problems starting in cold weather, sometimes after a heavy rain.

Any suggestions?

Thanks

Posted on Dec 08, 2008

Car Fixer

  • 184 Answers

SOURCE: Yukon Denali Fuel Trim bank One and Two running too lean?

Could also be fuel filter, pressure, vacuum leak, etc. Check these two articles out, they should help too - http://www.obd-codes.com/p0171 and http://www.obd-codes.com/p0174

Posted on Dec 21, 2008

asetech74

Ed Warden

  • 218 Answers

SOURCE: Can't get rear parking brake off 04 Yukon Denali XL

You are going to have to pry it over the axle on one side of the park brake shoe assembly with either a pry bar or screwdriver. then just pop the new one back over the axle in the same way. Hope this helps

Posted on Aug 05, 2009

Anonymous

  • 36 Answers

SOURCE: 02 yukon denali security light stays on will not

Several GM products, including the Chevrolet Impala and Malibu, the Oldsmobile Alero, the Pontiac Grand Prix, and Saturn Ion, have issues with the Security light coming on. This is many times an indication of a failing Body Control Module (BCM). Initially, the Security light will come on then go off, progressing to a constant on light, before the car will refuse to start. Other symptoms may include erratic action of electronics, a clicking sound coming from the glove box, and the air conditioning failing to blow cold air. I recommend a shop that specializes in the electronic systems of vehicles to diagnosis and make the necessary repairs. They should keep the car until they replicate the symptoms described. A new BCM from GM should cost about $230; plan on another $200 for them to diagnose the problem, replace the unit, and program the new unit. The dealers quote between $700 and $1,100 for the same repair. My experience and the experiences I have read on the internet, indicate the new BCM should last only about a year.

Posted on Aug 14, 2009

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Check on the injector pump,should have wires going to it.

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Make sure that the belt isn't extremely tight and they the belt tensioner isn't liked up by pulling in the belt. It should move and spring right back. Make sure engine isn't locked up. And please explain what happen with the vehicle. The fact that you replace plugs and wires and fuel filter for a car that's not turning is throwing me off. So right now we are going all over the place. But definite look at belt and tensioner I've seen a few times that a bad tensioner will make the belt wrap around tighter inhibiting the engine from turning.

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Hoo.commy 01 yukon will not start after sitting for 12 hrs. i have replaced the battery and alternator and the proble is still there.


Alternators wont cause a starting problem. so it cranks? or not? cranks but wont run? the first thing to verify is fuel pressure. If its not 55-60 psi, it will not run. you may need a fuel pump.

Sep 14, 2011 | 2001 GMC Yukon Denali

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My 2002 Yukon Denali XL shut down while my wife was driving it on the highway.When I reached her the truck's battery was completely dead. I purchased a new battery and now there's power but the...


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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2001 Yukon SLT, engine will not turn over - friends think it's the alternator. Battery is 2 yrs old. My friend tried to jump start it, that did nothing, still won't stay turned on. I got the...


Hi there !

I won't say its an alternator problem because the alternator only charges the battery when its on, And it should start with the jump cables even if the battery and the alternator are bad. your Issue is not clear. Does the car start when you jump it ?

Aug 15, 2011 | 2001 GMC Yukon Denali

1 Answer

My 2005 Yukon denali won't start, I have replaced the fuses, relays, the starter, the ignition switch, battery, and removed the alternator and had it checked. The truck still will not start without me...


My guess would be the anti theft security system. When this system starts to fail, it turns off the starter from the ignition. The fact that you can hard start it proves this. Read this link for symptoms, info, pictures, and solutions to this problem. http://vatspasslockpasskeysecurityhelp.yolasite.com/

Jun 12, 2011 | 2005 GMC Yukon Denali

2 Answers

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


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...

Aug 15, 2008 | 2002 GMC Yukon XL

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