 
				
	| 1996 GMC Sonoma SLE 2.2L Excessive Emissions, Poor Idle Quality Good morning group. I have a 96 sonoma 2.2 that was towed in for overheating. We have installed a used engine and the motor runs fine but i will not idle properly. It runs extremely rich at idle. It will rev fine and run down the road fine but if you back off ... 
                        
                            FIX posted 9/20/2005
                               
                    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 12 Replies Received (View Replies)12 Replies Received (Hide Replies)
 | Message Closed w/FIX 
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| VIN | 1GTCS1946T | 
| Engine | 2.2 L / 4 cyl / GAS | 
| Trans | 5-speed Standard | 
| Delivery | FI | 
| Emissions | OBD-II Compliant | 
| Symptoms | Excessive Emissions, Poor Idle Quality | 
| Occurs | Always | 
Trouble Codes
| P0107 | Manifold Air Pressure Sensor Circuit Low Voltage | 
| P0108 | Manifold Air Pressure Sensor Circuit High Voltage | 
Message Closed w/FIX
            
             Vehicle Data
 Vehicle Data
                1996 GMC Sonoma SLE
| VIN | 1GTCS1946T | 
| Engine | 2.2 L / 4 cyl / GAS | 
| Trans | 5-speed Standard | 
| Delivery | FI | 
| Emissions | OBD-II Compliant | 
| Symptoms | Excessive Emissions, Poor Idle Quality | 
| Occurs | Always | 
Trouble Codes
| P0107 | Manifold Air Pressure Sensor Circuit Low Voltage | 
| P0108 | Manifold Air Pressure Sensor Circuit High Voltage | 
 12 Replies Received
12 Replies Received
 12 Replies Received
          12 Replies Received
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