Car Problem Reports

GMC Envoy engine shuts down with defrost or A/C on

GMC Envoy Problem
18 Reports
Me Too

Model Years Affected: 2002, 2003, 2004, 2005, 2006, 2007

Average Mileage: 128,617 mi (10,000 mi - 203,620 mi)

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    i had this problem for a while( my personal vehicle). The truck would go into reduce engine power mode at first. Turn the engine off and restarts with no prblem. I ignored it just didn't use defrost or A/C. Than as time went on(months)it got cold here in Philly and i needed my defrost.This time the truck shut off. turned off defrost and it started right up and ran normal. i looked for vacuum leaks. not many hoses to check. finally found advice via youtube to remove throttle body and clean it. I used Brakekleen and cleaned throttle plate very dirty. reinstalled and checked. Problem Fixed!!!! Quick!Easy!and Cheap! Thanks Youtube

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  • ,

    cannot turn on the air or heater the car will shut off

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  • , , 134,840 mi

    My 2004 GMC Envoy vibrates when I turn the air conditioner or heater on . It stalls while I'm driving it and it scares me and makes me think that I'm going to break down . I just put a brand new battery in and it still stalls . I smell fumes of gas.

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  • , , 85,000 mi

    when a/c on the vehicle will at times shut off

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  • , , 203,620 mi

    When I take it to repair shop find no numbers but I tell them my problem .no onr get it but when I'm driving run my a/c truck stalls my ABC light been coming on as well and when stop to get gas or anything truck want start. Pat Atkins

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  • , , 168,000 mi

    This solved my problem! THANKS A MILLION!

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  • , , 120,000 mi

    engine will begin to die when A/C is on and car in or out of gear. I turn off the A/C and it runs fine and if it goes dead it will crank back up with no problem.

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  • , , 126,000 mi

    Heat, A/C, and defrost cause engine to stall and shut down.

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  •  Rookie

    2004 Envoy.. When turned on A/C or defrost engine would stall & cut off. I turned off A/C or defrost, cranked & ran fine as long as both were off. Took to shop; had throttle cleaned. No problem since.

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  • ,

    stalls when driving then restarts no problem don't know why HELP

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