Car Problem Reports

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

GMC Envoy Problem
9 Reports
Me Too

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

Average Mileage: 119,484 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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  • Visitor, , 85,000 mi

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

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  • Visitor, , 168,000 mi

    This solved my problem! THANKS A MILLION!

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  • Visitor,

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

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  • Visitor, , 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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  • Visitor, , 82,200 mi

    Changed the idle air control motor

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