 
				
	| 1995 Chevrolet K1500 Cheyenne 5.7L Backfire Cutomer brought truck in complaining that it was at another shop and had it worked on. They replaced all of the mentioned parts except the O2. we replaced the O2. It has backfired 3 times blowing out the muffler from the previous shop. O2 always indicates ... 
                        
                            FIX posted 5/13/2019
                               
                    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 29 Replies Received (View Replies)29 Replies Received (Hide Replies)
 | Message Closed w/FIX 
 | 
| VIN | 1GCEK14K1S | 
| Engine | 5.7 L / 8 cyl / GAS | 
| Trans | 4-speed Automatic (Electronic) | 
| Delivery | Fuel Injection / TBI | 
| Emissions | Not OBD-II Compliant | 
| Symptoms | Backfire | 
| Occurs | Under Load | 
Trouble Codes
| 44 | lean exaust | 
Message Closed w/FIX
            
             Vehicle Data
 Vehicle Data
                1995 Chevrolet K1500 Cheyenne
| VIN | 1GCEK14K1S | 
| Engine | 5.7 L / 8 cyl / GAS | 
| Trans | 4-speed Automatic (Electronic) | 
| Delivery | Fuel Injection / TBI | 
| Emissions | Not OBD-II Compliant | 
| Symptoms | Backfire | 
| Occurs | Under Load | 
Trouble Codes
| 44 | lean exaust | 
 29 Replies Received
29 Replies Received
 29 Replies Received
          29 Replies Received
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