Question about 2003 GMC Envoy

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GMC 2004 -- stalls while idle at the stop light or turning.

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Probably needs throttle body cleaning.

Posted on Sep 09, 2010

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Posted on Jan 02, 2017

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1 Answer

My 2004 GMC Yukon stalls out when slowing down or starting a sharp turn


Allot of possibilities. Can range from Idle air control motor to other things.

If you engine light it on I suggest scanning for codes and following the trouble shooting diagnistic tree for those codes.

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I have a 1994 GMC Suburban that when I come to a stop light or stop sign the RPM's drop too low it stalls my truck out and then when I turn the heater on it automatically kills my truck I have replaced...


Sounds like the aircon is kicking in when you turn on your heater. This will load up an idling engine, and if it is idling too slowly is will stall out the engine. Try increasing your engine idle speed until the heater on function doesn't stall the engine at idle speed.

Dec 01, 2017 | Cars & Trucks

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2004 Envoy xuv 6 cyl stalls with A/C on at idle


2004 Envoy xuv 6 cyl when I turn on the A/C the truck stalls but as long as I keep my foot on the gas it will continue to run

Jun 11, 2010 | 2004 GMC Envoy

2 Answers

When I turn the air conditioner on my car shuts off but only if I'm not driving it...while in motion the air works.....


Sounds like your idle speed is to low check to see if your throttle body plate and bore need the carboned removed that should take care of your stalling.

Apr 24, 2010 | 2004 GMC Envoy

1 Answer

GMC Envoy 2002. When I get to traffic stop light. It will stall .. RPM is about 500 at idle. Doesn't do it when cold ( idle around 1000RPM. runs ok when driving just stalls when you get to stop sign or...


check your vaucumn hoses for leaks any leak in that system will effect your fuel pressure regulator and fuel rail that controls the running ability

Jan 14, 2010 | 2002 GMC Envoy

3 Answers

2004 Envoy xl stalls when making turns


this is caused by slow engine idle speed, do the procedure below.
Here is the common cause of surges, stalls at stops, slow idle speed, erratic idle speed, rough idle and engine hesitation (and other problems), it is in most cases the idle speed control air-bypass valve and or throttle valve and upper intake, these area's get full of gunk and combustion residue over the miles and cause idle issues (stalls, low idle) like yours, Get a can of intake cleaner from any local parts store, not carb spray, intake cleaner, it is made by a company called CRC, remove the air intake hose to the engine, hold the idle high so the engine won't stall, then spray the can of cleaner into the intake while keeping the engine running, use at least 1/2 the can, shut down the engine and disconnect the battery for 5 minutes, then restart and complete a number of mixed driving cycles, town, freeway, stop and go etc., after a few days the problem will go away as the system will relearn to the clean intake.



Jun 16, 2009 | 2004 GMC Envoy

3 Answers

2004 GMC Envoy has trouble idling


Try the fuel filter. Sounds like the engine might be running rough due to weak fuel pressure. Its cheaper to replace, especially if it's still original from 04. Try running some injector cleaner through a couple of tanks of high octane gas.

Aug 06, 2008 | 2004 GMC Envoy

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