 
				
	| 2005 Hyundai Elantra GLS 2.0L MIL Lamp on hyundai techs. can anyone tell me if the upstream 02 should be a 5 wire or 6 wire? the upstream sensor has correct plug,but i noticed the harness has 6 wires but the sensor only has 5 wires. 
                        
                            Summary posted 4/4/2019
                               
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 | Message Closed w/Summary 
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| VIN | KMHDN45D85 | 
| Engine | 2.0 L / 4 cyl / GAS | 
| Trans | 5-speed Standard | 
| Delivery | Fuel Injection | 
| Emissions | OBD-II Compliant | 
| Symptoms | MIL Lamp On | 
| Occurs | Always | 
Trouble Codes
| P0030 | Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Relay Circuit Malfunction | 
| P2626 | Diesel Particulate Filter - Soot Content Too High | 
Message Closed w/Summary
            
             Vehicle Data
 Vehicle Data
                2005 Hyundai Elantra GLS
| VIN | KMHDN45D85 | 
| Engine | 2.0 L / 4 cyl / GAS | 
| Trans | 5-speed Standard | 
| Delivery | Fuel Injection | 
| Emissions | OBD-II Compliant | 
| Symptoms | MIL Lamp On | 
| Occurs | Always | 
Trouble Codes
| P0030 | Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Relay Circuit Malfunction | 
| P2626 | Diesel Particulate Filter - Soot Content Too High | 
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