Question about 2002 GMC Yukon Denali

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2002 GMC yukon idles to low

Idles to slow

Posted by Anonymous on

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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  • 1 Answer

SOURCE: 2002 GMC Yukon, erratic idle(hi-low) when cold. 125K miles.

i now for a fact that it is the egr valve . carbon balls in side you have to take it of and clean them out

Posted on Apr 18, 2009

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  • 102 Answers

SOURCE: Need color codes for radio in 2002 gmc yukon denali

2002 GMC Yukon Car Stereo Wiring Guide
Car Radio Battery Constant 12v+ Wire: Orange
Car Radio Accessory Switched 12v+ Wire: Yellow
Car Radio Ground Wire: Black
Car Radio Illumination Wire: Brown
Car Stereo Dimmer Wire: Gray
Car Stereo Antenna Trigger Wire: N/A
Car Stereo Amp Trigger Wire: N/A
Car Stereo Amplifier Location: N/A
Car Audio Front Speakers Size: N/A
Car Audio Front Speakers Location: N/A
Left Front Speaker Positive Wire (+): Tan
Left Front Speaker Negative Wire (-): Gray
Right Front Speaker Positive Wire (+): Light Green
Right Front Speaker Negative Wire (-): Dark Green
Car Audio Rear Speakers Size: N/A
Car Audio Rear Speakers Location: N/A
Left Rear Speaker Positive Wire (+): Brown
Left Rear Speaker Negative Wire (-): Yellow
Right Rear Speaker Positive Wire (+): Dark Blue
Right Rear Speaker Negative Wire (-): Light Blue

Posted on May 24, 2009

  • 14036 Answers

SOURCE: i need to recharge my ac in a 2002 gmc yukon where

your charge port is under hood on the line going to accumulator.look for black or blue cap with the letter L on it.WARNING BESURE TO WEAR SAFETY GLASSES.

Posted on Jul 20, 2009

  • 541 Answers

SOURCE: replace front left wheel berring on 2002 GMC Yukon

do not replace only the bearing. replace hub assembly. remove rim/tire , remove caliper, mounting plate, rotor. . un bolt hub assembly, unplug abs. remove front axle nut if 4x4. you may need to rent the axle nut remove kit and hub puller. pull out hub. drive axle reward out of hub. install new part. do not torque hub over 90lbs. check with parts sell for spec

Posted on Jan 03, 2010

  • 1 Answer

SOURCE: 2002 gmc yukon denali rough idle, low idle about 500 rpms

Clean the trottle body & Check spark plugs.

Posted on Feb 14, 2010

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1 Answer

2002 4.8l gmc yukon oil pressure problem


My suggestion would be to check it with a mechanical gauge.
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If the mechanical gauge shows steady pressure at idle, it could be a problem in the wiring or the instrument cluster.

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Mar 18, 2010 | 2001 GMC Yukon XL

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Check for clogged air filter, dirt in throttle body, disconnected vacuum hoses or bad EGR or vacuum hose to it....

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ur idle air control or tps sensor needs inspection-

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2002 gmc yukon, rich fuel code, low fuel pressure @40


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Dec 24, 2008 | 2002 GMC Yukon Denali

2 Answers

Truck keeps stalling


try to get a scan code . it may be the throttle sensor or a number of things.they san for free at AutoZone.

Dec 06, 2008 | 2002 GMC Yukon Denali

3 Answers

2002 GMC Yukon, erratic idle(hi-low) when cold. 125K miles.


i now for a fact that it is the egr valve . carbon balls in side you have to take it of and clean them out

Nov 17, 2008 | 2002 GMC Yukon Denali

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