Question about 2003 GMC Yukon

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Hello Marine4224, hi how do I find my crank senor on my GMC Yukon 2003

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Under the intake manifold. All the injector plugs and fuel lines have to come off to get to them. There's 2 sensors about 45 ea. Hope this helps

Posted on Jul 06, 2009

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Posted on Jan 02, 2017

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1 Answer

My yukon 2003 has a passlock faillure


That's not passlock. Unless you didn't state what is happening. Security will start the engine and shut in down in 2 seconds. If it doesn't crank over, check the fuse. Start/crank fuse.

Jul 22, 2016 | 2003 GMC Yukon XL

1 Answer

I have a 2003 gmc Yukon and a crank bearing fell in the motor and froze. Can this be repaired?


If the motor siezed your better off changing motor out.some Gm
5.7 engines were doomed early on they went to a two bolt main and excessive clearance on rear main journal short life.

Feb 19, 2015 | 2003 GMC Yukon

1 Answer

2003 gmc yukon denali has no injector pulse and no spark


Check for engine rpm signal, sounds like a cam/crank shaft position sensor issue.

Nov 08, 2012 | 2003 GMC Yukon Denali

1 Answer

THE INJECTORS WILL NOT SPRAY I PUT IN A NEW FUEL PUMP IT CRANKS AND FOR FIVE MINUTES AND WILL NOT WORK ANY MORE AND NEW GAS FILTER, NEW CRANK SENOR CAM SENOR


Did you also replace the fuel filter If so it may be the fuel regulator thats inside the plum on top fof the intake manifold i see you did do the filter I would suppect the regulator before the injectors you have done most of the hard and expensive stuff already If one injector was giveing you aproblem ok but not all of them at once also make sure the pump is putting out before you start anything else sometimes its a wireing issue with the pump

Nov 21, 2010 | 2001 GMC Yukon Denali

1 Answer

Suddenly stalled in traffic, gas was low but I dont think empty. Added gas would crank but not start. Alternator pulled and tested OK. Still won't statrt seems to not be firing.


spray WD40 into intake, if it acts like it wants to fire, it is a fuel problem, more then likely the fuel pump. Now if it doesn't act like it wants to fire then it is in the ignition senor, distributor. Hope this helped Tim

Oct 19, 2010 | 2003 GMC Yukon XL

1 Answer

Crank senor


The crank sensor is on the front( bottom) of the engine behind the crank pulley, the pulley will have to be removed to access the sensor. It is the largest pulley directly in front of the oil pan.

Dec 17, 2008 | 2003 GMC Yukon

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