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I would like to turn the yellow engine light off on my yukon denail 2003 to sell it

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You can probably reset it by disconnecting the battery for a while, but you really need to find out what the code(s) are. Some codes set the MIL immediately on the first ignition cycle, others take 2 or 3 failures. You could also pull the fuses PCM BAT and PCM IGN...I would like to suggest, however, to get it looked at by a mechanic so he can tell you what they mean, some do it for free.

Posted on Nov 19, 2013

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  • Jayboy Jun 23, 2014

    wrong the light is there to force you to fix the issues that caaused the light to go on things will start happening to the truck then you will know why the light is on i laid out 2000

  • Jayboy Jun 23, 2014

    2000 dollars to fix the Problems GMC EXTENDS Warranties rather then make a recall they give you 70.000 miles or 7years after seeing what is going on every day on the News i don't think i will be buying any General Motors Products any more the best part when i called GM THEY SAID THEY WOULD HELP AS I HAVE 59.000 MILES ON MY Yukon Denali 2003

  • Jayboy Jun 23, 2014

    All they did was bother my wife early in the day to ask her if we took it in to a GMC Shop if you can sell it the way it is would be the way to go or you will be spending a lot to fix it

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Posted on Jan 02, 2017

  • 1 Answer

SOURCE: Check Engine light-2003 Yukon XL

you have to take it to a auto part store and they can tell you if there are any problems using a key code and then reset it

Posted on Mar 27, 2009

Obertelli
  • 3006 Answers

SOURCE: car tends to sway when semi trucks pass me . I

No. It's just a question of aerodynamics.

The current combination of vehicle plus the long trailer simply results in the vehicle being affected by the turbulent air created by a semi. All cars are affected to some extent, but as you're in a taller vehicle with a long trailer you're affected even more. Without wishing to criticise your vehicle choice, it's probably worse as it's a US design: although they're often very big and powerful, they do tend to handle like a boat compared to European and Asian models, but on the flipside you simply don't get many non-US models that are that are as big although many produce similar power output using smaller engines which are more modern and efficient.

All you can realistically do to minimise it is to ensure that your tyre pressures are correct and that there is no adverse wear to steering or suspension components. Also check that your towing hitch is at the right height and loading and that there's an effective tow-hitch stabiliser fitted which is appropriate for the size of the load. You'll also find that if you carry loads on the roof of your vehicle it will make matters far worse, so try to avoid doing so.

Posted on May 19, 2010

  • 8 Answers

SOURCE: 2000 yukon denail front a/c

check your low pressure line feeding your evaporater coil, if its not getting cold mreplace your orfice

Posted on Oct 06, 2012

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How do you reset the check engine light on a 2003 gmc yukon xl


the check engine light means you have a trouble code in your vehicles computer. After fixing the problem with the yukon the check engine light can be reset sometimes by disconnecting the battery and disconnecting the ECM fuse. Although some parts stores are known to check your codes for free they might also clear them with a scan tool.

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1 Answer

Check Engine light-2003 Yukon XL


you have to take it to a auto part store and they can tell you if there are any problems using a key code and then reset it

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For last two days my truck had to be jumped start.


Just because your accs. function does not mean the battery is ok The first thing to check is the battery, there could be dead cells in the battery your starter need maximum voltage if a cell is dead the battery generally will not turn the engine over check that battery

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While driving engine shuts off


I had the same issue with another GM and never got it resolved except by replacing the battery.
Finally put it one that keeps good voltage while park or running.
Wall mart sells a $20 alternator and battery checking device you plug into a power socket.
Its digital read out is better for my eyes than the dash board one and has idiot color codes red yellow and green,

Some batteries seem to get shorted cells and that lower voltage can lead to engine shutdown even while driving. You would think a good alternator would keep the engine running but these new low rpm designs with heavy load...

This is all experience and I do not claim to be a GM tech.


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