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	 1995 GMC C7000 Topkick C7H042 6.0L Excessive Emissions, Poor Idle Quality, Surge, Stall, Poor Fuel Economy 
		
		first time needing help on a gm vehicle. have 4 hours invested in this vehicle. The vehicle is a 1995 top kick hd truck, with a chevy 6.0liter, not something I would normaly work on. Only problem is that the truck runs extremly rich at idel and at 3,000 rpm. c... 
                        
                            FIX posted 12/1/2007
                             
                 
                            
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| VIN | 1GDL7H1P6S | 
| Engine | 6.0 L / 8 cyl / GAS | 
| Trans | 0-speed Automatic | 
| Delivery | FI / T.B.I | 
| Emissions | Not OBD-II Compliant | 
| Symptoms | Excessive Emissions, Poor Idle Quality, Surge, Stall, Poor Fuel Economy | 
| Occurs | Always, Cold, Hot | 
Trouble Codes
| 13 | oxygen sensor open shorted or bad | 
| 45 | rich exhaust | 
Message Closed w/FIX
            
            
 Vehicle Data
                1995 GMC C7000 Topkick C7H042
| VIN | 1GDL7H1P6S | 
| Engine | 6.0 L / 8 cyl / GAS | 
| Trans | 0-speed Automatic | 
| Delivery | FI / T.B.I | 
| Emissions | Not OBD-II Compliant | 
| Symptoms | Excessive Emissions, Poor Idle Quality, Surge, Stall, Poor Fuel Economy | 
| Occurs | Always, Cold, Hot | 
Trouble Codes
| 13 | oxygen sensor open shorted or bad | 
| 45 | rich exhaust | 
                            
31 Replies Received
          31 Replies Received
          
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