 
				
	| 2000 Saturn LS1 2.2L Misfire, MIL Lamp on Hi guys. Hope all is well in IATN world. This car will run OK for several days then start to miss once in a while and the check engine light will come on but not necessarily in that order. Plugs were original and worn so we replaced them with the proper ACDELC... 
                        
                            Summary posted 6/25/2004
                               
                    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 10 Replies Received (View Replies)10 Replies Received (Hide Replies)
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| VIN | 1G8JU52F2Y | 
| Engine | 2.2 L / 4 cyl / GAS | 
| Trans | 4-speed Automatic (Electronic) | 
| Delivery | FI | 
| Emissions | OBD-II Compliant | 
| Symptoms | Misfire, MIL Lamp On | 
| Occurs | Intermittently | 
Trouble Codes
| P0300 | Multiple Misfire Detected | 
| P0420 | Catalyst Efficiency Below Threshold (Bank 1) | 
| P1599 | A/C Pressure Sensor Circuit Low Voltage | 
Message Closed w/Summary
            
             Vehicle Data
 Vehicle Data
                2000 Saturn LS1
| VIN | 1G8JU52F2Y | 
| Engine | 2.2 L / 4 cyl / GAS | 
| Trans | 4-speed Automatic (Electronic) | 
| Delivery | FI | 
| Emissions | OBD-II Compliant | 
| Symptoms | Misfire, MIL Lamp On | 
| Occurs | Intermittently | 
Trouble Codes
| P0300 | Multiple Misfire Detected | 
| P0420 | Catalyst Efficiency Below Threshold (Bank 1) | 
| P1599 | A/C Pressure Sensor Circuit Low Voltage | 
 10 Replies Received
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          10 Replies Received
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