| 1991 Chevrolet Lumina 3.1L Poor Idle Quality, Surge, MIL Lamp on, idles very high 
  Original readings from start up. vehicle will not start and
run on its own until coolant temp reaches 138 degrees
initailly at times other times starts and runs with cts
lower. 
                        
                            FIX posted 6/21/2005
                               
                    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 8 Replies Received (View Replies)8 Replies Received (Hide Replies)
 | Message Closed w/FIX 
 | 
| VIN | 2G1WN51TXM | 
| Engine | 3.1 L / 6 cyl / GAS | 
| Trans | 4-speed Automatic | 
| Delivery | FI / mpfi | 
| Emissions | OBD1 | 
| Symptoms | Poor Idle Quality, Surge, MIL Lamp on, Idles Very High | 
| Occurs | Cold, Hot | 
Trouble Codes
| 35 | IAC problem | 
| 44 | Lean exhaust | 
Message Closed w/FIX
            
             Vehicle Data
 Vehicle Data
                1991 Chevrolet Lumina
| VIN | 2G1WN51TXM | 
| Engine | 3.1 L / 6 cyl / GAS | 
| Trans | 4-speed Automatic | 
| Delivery | FI / mpfi | 
| Emissions | OBD1 | 
| Symptoms | Poor Idle Quality, Surge, MIL Lamp on, Idles Very High | 
| Occurs | Cold, Hot | 
Trouble Codes
| 35 | IAC problem | 
| 44 | Lean exhaust | 
 8 Replies Received
8 Replies Received
 8 Replies Received
          8 Replies Received
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