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I have a 1999 GMC Yukon Denali, 350 V8. I want to

I have a 1999 GMC Yukon Denali, 350 V8. I want to replace the oil pressure sending unit but can't find it. Can you please help me locate it....

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    where is electronic flasher on 1999 gmc yukon

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Check in the area above the rim of the oil filter...they're typically located very close to the filter.
k

Posted on Jun 26, 2009

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LOW OIL PRESSSURE 2008 GMC YUKON DENALI


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Feb 16, 2015 | 2008 GMC Yukon Denali

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2003 yukon denali oil pressure switch pegged over the 80 psi indicator. Oil qty is good.


Sounds like a bad oil pressure sending unit.

Try unplugging it and see if the gauge drops to zero. If it does than replacing the oil pressure sending unit will most likely fix your problem.

It is not easy to see or get at but you can find it on the back side of the engine on the drivers side, kind of in between the valve cover and the intake plenum

Apr 08, 2013 | 2003 GMC Yukon Denali

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Why do i have high oil pressure on a 2006 yukon (80psi)


Not uncommon for oil pressure to read @ 80psi when oil is cold an thicker or a heavier weight oil, however, does it fluctuates or simply stays @ 80psi cold or at running temp? if so, its normal, if it stays there and doesn't move, that may a bad guage or sending unit. consider this and get back. I am a mechanic . TH

Dec 06, 2011 | 2006 GMC Yukon Xl Denali

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I have a 2005 GMC Yukon Denali with 88,000 miles on it, when i first purchased the truck earlier in the year, the oil pressure gauge was reading all the way to 80, now when i press on the accelerator the...


Yes, most likely it is a defective oil pressure sending unit. However, oil pressure is something you do not want to take chances with. Have it checked with a manual gauge to determine the problem as soon as possible to avoid possible major engine failure. I hope this helps.

Aug 02, 2011 | 2005 GMC Yukon Xl Denali

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I have a 2003 yukon denali and my oil pressure gauge went to Zero. Does tis mean I have to replace the oil pump? the car does turn on.


You might want to use a oil pressure test gauge and verify the actual oil pressure. You would connect it to where the sending unit screws into the engine. It's on the driver side back of the motor, under the distributor area. by the fuel lines.

Apr 30, 2010 | 2003 GMC Yukon Denali

1 Answer

Oil gauge on 2003 yukon denali vortec 6000 engine is either all the way to 80 or to 0. can it be the sending unit and where is it located?


on these it is above the oil filter housing underneath. the best way to tell is to have a "wet guage" installed to test what the actuall pressure is. if the oil pressure is to spec then the problem more then likely is the motor in the speedomemeter unit itself. they do have a problem with these little motors. all the guages use the same style motors. cheers

Jan 14, 2010 | 2003 GMC Yukon Denali

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