Question about 2004 GMC Envoy
O4 envoy stalls out when AC is turned on
AC draws about 2 HP when full on so if the engine is incapable of generating at least that much when at idle , it stalls. The problem is in the ECM - either it's badly calibrated or there's a fault in one of the sensors. You need to have the codes read / checked for a precise diagnostic.
Posted on Jul 06, 2010
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Posted on Jan 02, 2017
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