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2004 gmc envoy. Oil gauge drops to zero when stopping. Car had been running for about 1hour in city traffic.

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Have the oil pressure checked using a mechanical pressure gauge
most likely a problem oil pressure sender unit or broken wire

Posted on Apr 15, 2017

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2 Answers

When I start my 2004 envoy xuv the oil pressure is almost zero, I turn the car off and restart and the oil pressure is fine then any Idea whats wrong


I assume this car has a warning light. You should have a mechanic remove the oil pressure sender unit and replace it with a gauge. This will show what is really going on. I suspect the sender is faulty.
.

Dec 10, 2016 | 2004 GMC Envoy

1 Answer

2005 GMC envoy Oil pressure drops to zero when stopped if in a drive thru the car over heats. AC off its ok. Oil level/pressure fine replaced clutch fan wire harness(pigtail)replaced water pump.


The oil pressure drop indicates more problems.

Oil pressure drops to zero at idle on 2002 GMC Envoy after ...

www.fixya.com/cars/t7880379-oil_pressure_drops_zero_idle_2002_gmc Jan 18, 2011 - You could have three possable problems that I can think of. 1) Your oilviscosity is too low and you need to change it to a higher level. A 5w/30 .

Jul 21, 2015 | GMC Cars & Trucks

2 Answers

My 2005 Envoy's low oil pressure light will come on when I am at a stop and my car is ideling. My oil gauge will also drop. I just change the oil and filter about 1 month ago


When engine is idling the oil pressure sign can come up and that is OK. However if you've noticed that gauge shows much lower oil pressure that a bad sign. Show it to knowledgeable mechanic (but don't be lured in the engine replacement; ask for a root cause - it may be oil receiver or oil pump). Also I hope there's no oil puddles under the car? What about oil level?

Apr 24, 2015 | 2005 GMC Envoy

1 Answer

Oil pressure low stop engine light and check gauges light


It could be your oil pressure sensor has gone bad.

Jan 10, 2013 | 2003 GMC Envoy

1 Answer

My oil pressure gage on my 2004 gmc envoy needle has move past 80. I checked the oil its fine. And the suv still running good with no smoke.


It is very possible that the stepper motor that drives the gauge is going bad and needs to be replaced. There are services that repair clusters, check on Ebay.

Nov 04, 2010 | 2004 GMC Envoy

1 Answer

As soon as i turn motor on the check gauge light comes on - the oil pressure drops and then the instrument panel said stop motor - it has not been running for a couple years


Check the oil level in the engine. Have the oil pressure checked with a manual gauge hooked directly up to the engine to see if the pressure is good.

Sep 28, 2010 | 2003 GMC Envoy Xl

2 Answers

2004 gmc eNVOY GAS AND OIL GAUGE STOPPED WORKING


you need a new cluster if you have less than 75,000 miles check with the dealer gmc issued a recall for that, if your over that look on ebay for a replace or repair service

Feb 24, 2010 | 2004 GMC Envoy

3 Answers

My oil pressure gage just drops to 0!!!


You need to replace the oil pressure sending unit, this is what tells your gauge what the pressure is. For future information if your oil pressure drops again and its a real failed oil pump within a few minutes you will internally damage the engine. I would get a new Oil Pressure Sending Unit. Let me know if you have any questions.... Thanks!

Jun 05, 2009 | 2004 GMC Envoy

1 Answer

2002 gmc envoy oil pressure flux. maybe.


An oil pressure sending unit is really not an expensive item nor difficut to change . Probably the answer , sending units faulter frequently. Hope this helps

Apr 13, 2009 | 2003 GMC Envoy

2 Answers

Instrument gauges in 2004 envoy


ours did this, it was the guage cluster that went bad. It's about $600 to replace

Nov 04, 2008 | 2004 GMC Envoy

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