 
				
	| 2005 Honda Accord LX 2.4L MIL Lamp on Trying to nail down this recurring P0139 and coming up bupkis on all accounts. We replaced the rear O2 for a P0139 at 139k miles with a Denso unit and verified PCM software was up to date. Vehicle returned at 142k, again with a P0139 but after a little res... 
                        
                            Summary posted 9/17/2019
                               
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 | Message Closed w/Summary 
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| VIN | 1HGCM564X5 | 
| Engine | 2.4 L / 4 cyl / GAS | 
| Trans | 5-speed Automatic (Electronic) | 
| Delivery | Fuel Injection / MPFI | 
| Emissions | OBD-II Compliant | 
| Symptoms | MIL Lamp On | 
| Occurs | Not Applicable | 
| Misc. | Federal Tier 2 and Cali Emissions | 
Trouble Codes
| P0139 | Heated Oxygen Sensor (Bank 1 Sensor 2) Slow Response | 
Message Closed w/Summary
            
             Vehicle Data
 Vehicle Data
                2005 Honda Accord LX
| VIN | 1HGCM564X5 | 
| Engine | 2.4 L / 4 cyl / GAS | 
| Trans | 5-speed Automatic (Electronic) | 
| Delivery | Fuel Injection / MPFI | 
| Emissions | OBD-II Compliant | 
| Symptoms | MIL Lamp On | 
| Occurs | Not Applicable | 
| Misc. | Federal Tier 2 and Cali Emissions | 
Trouble Codes
| P0139 | Heated Oxygen Sensor (Bank 1 Sensor 2) Slow Response | 
 9 Replies Received
9 Replies Received
 9 Replies Received
          9 Replies Received
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