 
				
	| 2003 GMC Envoy SLT 4.2L Not Cooling Help, this one has me stumped. when the vehicle is started in the morning the a/c works and cools. 25 low, 150 high. when you accelerate the pressures go haywire. first the pressures go to 45 low, 300 high. let off the gas and the car wants to stall and often ... 
                        
                            FIX posted 5/29/2012
                               
                    iATN Members:  Login to view full TechHelp request Auto Repair Pros: Join iATN to read this TechHelp request Vehicle Owners: Find a nearby iATN member to repair your vehicle 34 Replies Received (View Replies)34 Replies Received (Hide Replies)
 | Message Closed w/FIX 
 | 
| VIN | 1GKDS13S53 | 
| Engine | 4.2 L / 6 cyl / GAS | 
| Trans | 4-speed Automatic (Electronic) | 
| Delivery | Fuel Injection | 
| Affected | Not Cooling | 
| Conditions | Pressures | 
Message Closed w/FIX
            
             Vehicle Data
 Vehicle Data
                2003 GMC Envoy SLT
| VIN | 1GKDS13S53 | 
| Engine | 4.2 L / 6 cyl / GAS | 
| Trans | 4-speed Automatic (Electronic) | 
| Delivery | Fuel Injection | 
| Affected | Not Cooling | 
| Conditions | Pressures | 
 34 Replies Received
34 Replies Received
 34 Replies Received
          34 Replies Received
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