Question about 2006 GMC Envoy Denali

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2006 gmc envoy denali 5.3, no oil leaks, 61000 miles, steady vacuum gauge reading at 16, runs and starts very good. Takes 1 quart of oil per 1300 to 1500 miles, no exhaust smoking. Why so much oil ?

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  • GMC Master
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Google search GM 5.3 oil consumption. This is a known and common issue.

Posted on Oct 27, 2012

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Posted on Jan 02, 2017

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SOURCE: oil pressure gauge reads 80 while running

could be one of two things, oil pressure switch (located on top of engine behind intake) or instrument panel cluster, if your vehicle has under 70,000 miles, it's covered under warrenty

Posted on Jun 19, 2009

  • 15 Answers

SOURCE: 2006 GMC Envoy XL gas gauge reads empty

The sulfur content in the fuel is contaminating the contacts of the sending unit.

Some people have had good luck with some fuel system cleaners solving this problem. The cheap stuff doesn't seem to do the job.

Not that GM isn't completely exonerated from fault but the gas stations don't do a very good job of watching what the stations sell.

Posted on Jun 20, 2009

  • 7353 Answers

SOURCE: 2006 Yukon Denali, oil pressure gauge malfunction

Most likely the oil pressure sensor is bad. Its located in the very rear of engine on top of bell housing area.

Posted on Oct 30, 2009

  • 293 Answers

SOURCE: 2007 GMC Envoy - Gas gauge showing empty and check engine light

This is a safety feature that the vehicle brings. You need to reset the E.C.U on dealership or it will keep doing it to you. It was probably caused by one single time that you did not closed the fuel cap correctly. Good luck

Posted on Dec 29, 2009

  • 752 Answers

SOURCE: how many quarts of oil does it take to change oil

6 quarts

Posted on Feb 13, 2010

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I have a 2007 gmc Yukon denali with the 6.2l in the last month it has randomly puffed a bit of smoke on start up what might be wrong only 120k on it


Hi Bryce, For the miles and engine in your vehicle, a bit of visible smoke from the tailpipe on cold start is normal. It indicates a small amount of engine oil is leaking past the "valve-guide seals" in the cylinder head. For now, I wouldn't let it concern you too much because it's actually a VERY small amount of oil making its way into the combustion chamber while you're snoozing.

It only takes a drop or three to produce a huge amount of visible smoke when it burns, and it probably won't even leave deposits on your spark plugs at this point.

This condition isn't harming anything except your nerves, and it won't cause a breakdown or leave you stranded. The oil lost (per mile) is too small to result in the need to check the dipstick more often, but you should get a sense of the loss-rate by periodic checks over a given number of miles.

Top off your oil, and check it every two or three fill-ups, and, my guess is, you won't have to add a quart before driving 1000-1500 miles, which is nothing to worry over, but determine how many miles it takes to use a quart, so you know when to add.

If you want to narrow it down, pop the plugs out and check for any light colored deposits, and note the particular cylinder from which a contaminated plug was removed. You'll probably see little, if any, deposits for now.

Oh, and there are NO magic snake-oil remedies, despite fancy promises on the labels of opportunistic, quick-fix makers. Don't fall for their distractions. The best you can do is to keep up on your oil maintenance. Running dirty oil causes accelerated seal wear.

Happy Motoring!!!

Sep 20, 2016 | 2007 GMC Yukon XL Denali

2 Answers

My problem is when driving, the engine rattles bad especially when accelerating, I had noticed my oil level looked empty


Most engines take at least 5 quarts of oil. Have you check the dip stick to see how much is in there?

Mar 16, 2016 | 2007 GMC Envoy

1 Answer

What is the torque specs for the bolts on the automatic transmisson oil pan on a 2006 gmc envoy


Last I looked around 14 ft lbs. I advise you to convert to inch pounds and evenly tighten as per manual bolt sequence in three steps. I will mention you should double check my memory... I am fairly certain 12 to 18 ft lbs, but just the same go to youtube for a bid showing the correct method of torquing bolts.
For what it is worth many parts stores will let you get a peak at a manual.

Aug 29, 2014 | 2006 GMC Envoy

1 Answer

Using oil looking for possible fix on a 2005 envoy denali


GMC Envoy problems and GMC Envoy repair histories -- car repair descriptions reported ... by car, to see how many repairs each car required and where the car is located. ... 5.3L V8; 2006 291-horsepower 4.2L I6; 2005 275-horsepower 4.2L I6; 2004 ... Advised by OnStar not to drive and have it towed. ----------------------------------------------
galletto 1260

Dec 20, 2012 | 2005 GMC Envoy Denali

2 Answers

I own a 2003 GMC Envoy v8. I just got an oil change 5 weeks ago - the other night as I was driving, the engine started ticking. I check the oil and to my surprise, the dip stick came up clean. I added 5...


That is strange. Do not rule out the possibility that you have a leak somewhere in the vehical. I would check this out immediately, or it is going to cost more in the long run. Check the oil pan and the ground where you park your vehical.

Apr 17, 2011 | 2003 GMC Envoy

1 Answer

How do I check and possibly replace the engine oil pressure sensor in a 2006 GMC Envoy Denali?


Oil Pressure Test Check for proper oil pressure at the sending unit passage with an externally mounted mechanical oil pressure gauge. A tachometer may also be needed, as some specifications may require running the engine at a specific RPM.
  1. While the engine is cold, locate and remove the oil pressure sending unit.
  2. Following the manufacturer's instructions, connect a mechanical oil pressure gauge and, if necessary, a tachometer to the engine.
  3. Start the engine and allow it to idle.
  4. Note and record the oil pressure reading when the engine is cold. The engine may need to run at a specified RPM, if so check the vehicle's specification.
  5. Run the engine until normal operating temperature is reached.
  6. Check the oil pressure reading again with the engine hot and record the value. Turn off the engine.
Compare the hot oil pressure reading to the specification. If the reading is low, check the cold pressure reading against the specification. If the cold pressure is well above the specification, and the hot reading was lower than the specification, the engine may have the wrong viscosity oil. Change the oil, making sure to use the proper grade and quantity, and then repeat the test.
Low oil pressure readings could be attributed to internal component wear, pump related problems, a low oil level, or oil viscosity that is too low. High oil pressure readings could be caused by an overfilled crankcase, too high of an oil viscosity or a faulty pressure relief valve.

Oct 09, 2010 | 2006 GMC Envoy Denali

1 Answer

2006 Town & Country burning oil excessively. 40,000 miles; burning 1 quart every 1000 miles; no signs of the oil anywhere


At 40K miles it shouldn't burn that much oil, unless the motor has been abused or overheated. With no signs of oil leaks, the engine must be burning it via the exhaust,

Change the oil (use a good quality oil) and then observe oil consumption.

If it still uses excessive oil check further as below:-
1) if it blows blue smoke on steady accelleration (pistons or ring wear),
or
2) only blows blue smoke on initial accelleration after a period of steady coasting or de-celleration (faulty valve stem oil seals).

Jan 22, 2010 | 2006 Chrysler Town & Country

1 Answer

I use 2 qt oil in 3000 miles in my 2006 envoy is


No it is not normal to lose two quarts,Have you seen any oil spots on the ground where you park your Envoy,
take a look under your Envoy to see if you have a small leak and the air from driving it is blowing the oil back towards transmission.

Dec 19, 2009 | 2006 GMC Envoy Denali

1 Answer

Toyota tundera v6 ran for fifty miles 2 quarts low on engine oil! dave


Probably didn't hurt it, my 2002 was ran for 2000 miles 1 1/2 quarts low on oil due to dummies putting only 5 quarts of oil back in it after changing the oil. It takes 6 1/2 quarts. It didn't hurt it at all.

Jun 15, 2009 | 2006 Toyota Tundra

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