 
				
	| 2002 Nissan Sentra SE-R 2.5L MIL Lamp on Thanks for any help! This one came in today with a PO031 O2 heater code. I ran through the verification test and it resets every time. The rest of the test I managed to get off the Nissan tech site says to check for battery voltage at O2 plug - ok. Then says t... 
                        
                            FIX posted 5/25/2006
                               
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 | Message Closed w/FIX 
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| VIN | 3N1AB51D12 | 
| Engine | 2.5 L / 4 cyl / GAS | 
| Trans | 4-speed Automatic (Electronic) | 
| Delivery | FI / SEFI | 
| Emissions | OBD-II Compliant | 
| Symptoms | MIL Lamp On | 
| Occurs | Always | 
Trouble Codes
| P0031 | Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Circuit Low Voltage | 
Message Closed w/FIX
            
             Vehicle Data
 Vehicle Data
                2002 Nissan Sentra SE-R
| VIN | 3N1AB51D12 | 
| Engine | 2.5 L / 4 cyl / GAS | 
| Trans | 4-speed Automatic (Electronic) | 
| Delivery | FI / SEFI | 
| Emissions | OBD-II Compliant | 
| Symptoms | MIL Lamp On | 
| Occurs | Always | 
Trouble Codes
| P0031 | Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Circuit Low Voltage | 
 7 Replies Received
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          7 Replies Received
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