Question about 2000 GMC Yukon Denali

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2000 Yukon Denali high idle? no check engine light on? Were do i look for the problem at?

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It can be adjusted at the cable end on engine could be the computer doing it to.

Posted on Oct 01, 2009

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Posted on Jan 02, 2017

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2002 yukon denali reduced engine power


could be partially plugged catlyletic converter it will only get worse .could be the egr valve and or the map sensor three things a shop would have to check for you .

Nov 22, 2013 | Cars & Trucks

1 Answer

I have a 2004 Yukon denali and while driving, I got check gas cap alarm. 2 miles later check engine light is on. Checked gas cap, cleaned gasket and tightened. Drove for 2 days. Reset fault and drove 160...


Hello, have you tried to unhook the negative side of the battery for about 10 minutes and then go from there . It should reset the computer completely .

Sep 14, 2011 | 2003 GMC Yukon Denali

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2000 yukon fishing for idle on cold start.


Check for vacuum leak at intake or plenumn while it is cold , also check temp sensor. i have done a few intake manifold gaskets on these vehicles.

Dec 07, 2009 | 2002 GMC Yukon Denali

2 Answers

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.

Oct 30, 2009 | 2006 GMC Yukon Denali

1 Answer

2000 denali seems to idle high at a complete stop, wants to"go" but gauges dont move while doing this?


you may have an intake leak (vacuum leak) somewhere or ldle contol motor gummed up or mass air flow sensor has dirt build up on the front of the resistors

Oct 01, 2009 | 2000 GMC Yukon Denali

1 Answer

2000 gmc yukon denali wont start i think because of the security


you have a bad ignition switch but if you turn key on for ten minutes until the light stops flashing then turn off key then try to start this should reset the security system

Mar 19, 2009 | 2000 GMC Yukon Denali

2 Answers

2002 Yukon XL Denali Problem: When idling, goes below 500 RPMs, spits and sputters at idle. No check engine light, spark plugs are one year old. Could it be a sensor??


Most sensors will trigger the check engine light, however the TPS(throttle position sensor) or EGR Valve(exhuast gas recirculation valve) could be potential causes. Does this problem only occur at idle? Is the idle normal in park? Let me know and I can try to assit further.

Hope this helps

Jun 27, 2008 | 2002 GMC Yukon XL

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