Question about 2004 GMC Envoy

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ENVOY 2004, Engine going off when i am making AC ON. Service Engine soon light is on.

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I did the Engine Service, cleaing of Air Control section of the Engine. I did it at our city's "Specialized Maintainance Service Center" for GMC Cars.

Thanks,

Safara

Posted on May 13, 2009

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Posted on Jan 02, 2017

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My service engine soon light came on the instrument panel on my 2004 GMC ENVOY


You need to go to a auto parts store like Autozone, they will read the fault codes for free and provide you with a printout of the reason for the check engine light being on.

Jun 12, 2011 | 2004 GMC Envoy

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I have a 2004 GMC Envoy with 82400 miles. My service engine soon light continuously stays on. I have had it in the shop numerous times and they have run diagnostics. I have had a tune up done, 2 sensors...


You need to let us know what the fault code(s) is. Did anyone ever give this information when they were working on the vehicle? There are many reasons for the check engine light to be turned on.

Nov 06, 2010 | 2004 GMC Envoy

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Is your "Service engine soon" light on?? If so, have your vehicle's computer scanned for error codes. If not, Clean or replace the IAC valve (idle air control valve). This unit controls airflow through the engine while the gas pedal isnt pressed or A/C is powered on.

Aug 31, 2010 | 2004 GMC Envoy

1 Answer

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Dec 20, 2009 | 2003 GMC Envoy

2 Answers

I have a service engine soon light and the code that appeared when check is 1481, do you know what this means?


Service Engine Soon (SES) or Check Engine Light On, DTC P0480, P0526/P1481/P1484 Set (Replace Engine Cooling Fan Wiring Harness) #05-06-02-012B - (10/19/2006)

Models:2004-2006 Buick Rainier
2002-2006 Chevrolet TrailBlazer, TrailBlazer EXT
2002-2006 GMC Envoy, Envoy XL, 

Some customers may comment that the Service Engine Soon (SES) or Check Engine light is illuminated. This condition may be intermittent and upon investigation, the technician may find either DTC P0480, P0526, P1481 or P1484 set.

This condition may be caused by the cooling fan harness chaffing against the plastic guide it routes through. This contact may damage the insulation of the wires enclosed in that harness.

Replace the wire harness: 
Part Number 89024920 Description Harness Assembly, Engine Cooling Fan Wiring

Good luck and keep me posed. 

Aug 11, 2009 | 2003 GMC Envoy

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need to scan for codes and find problem code some part stores do for free

Jul 06, 2009 | 2004 GMC Envoy

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AC blows hot air


try this website fix & troubleshoot heating & A/C www.automedia.com and another car A/C repair www.directgardening.com

May 25, 2009 | 2002 GMC Envoy XL

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Coolant Temp Sensor


The sensor is located on the drivers side engine block...although you can see if from looking from the top of the engine, you would have to get under the vehicle and look up to replace it. Be aware that it takes a special tool to unscrew the old one and screw in the replacement.


Aug 06, 2008 | 2004 GMC Envoy

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2004 GMC Envoy XL Loss of power


I also have an '04 Envoy XL. The problem we had was very similar. The truck lost power and the wife and kids were stuck on the interstate. It was the catalytic converter totally clogged. We were told by our trusted mechanic that we were lucky not to have blown a head gasket from the back pressure. Two days after having the converter replaced the check engine light came on. I went to Autozone to have the codes read. I don't remember the code number but it was basically that the thermostat was stuck open and the engine was running too cool causing it to run rich and clog the converter. I did not get a light until after and the light went out on it's own. I hope this helps you. GOOD LUCK!

Jul 07, 2008 | 2004 GMC Envoy

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