| 
	 1996 Buick Roadmaster Collector's Edition 5.7L Misfire, MIL Lamp on 
		
		misses on cyl # 4 continuosly backfires through exhaust instaled new cap ,rotor,wires,plugs twice still misses cyl 4. installed new injector no change compression 180 fuel pressure in spec vaccum excellent valve springs not broken rockers ok pushrods ok in ori... 
                        
                            FIX posted 10/9/2009
                             
                 
                            
                    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 21 Replies Received (View Replies)21 Replies Received (Hide Replies)
       | 
		  
		      
           Message Closed w/FIX 
	   
	   
	   
	    | 
| VIN | 1G4BT52P2T | 
| Engine | 5.7 L / 8 cyl / GAS | 
| Trans | 4-speed Automatic (Electronic) | 
| Delivery | FI | 
| Emissions | OBD-II Compliant | 
| Symptoms | Misfire, MIL Lamp On | 
| Occurs | Always | 
Trouble Codes
| P0300 | Multiple Misfire Detected | 
Message Closed w/FIX
            
            
 Vehicle Data
                1996 Buick Roadmaster Collector's Edition
| VIN | 1G4BT52P2T | 
| Engine | 5.7 L / 8 cyl / GAS | 
| Trans | 4-speed Automatic (Electronic) | 
| Delivery | FI | 
| Emissions | OBD-II Compliant | 
| Symptoms | Misfire, MIL Lamp On | 
| Occurs | Always | 
Trouble Codes
| P0300 | Multiple Misfire Detected | 
                            
21 Replies Received
          21 Replies Received
          
  Related Documents & Media