 
				
	| 2004 Buick Rendezvous CX 3.4L MIL Lamp on This van intermittently sets code PO131 for #1 O2 sensor low [...] usually takes around 6000 miles to do [...] I check it out the sensor is working good and van is not running [...] data shows it happening at highway speed with coolant temp at 190 degrees and ... 
                        
                            Summary posted 4/28/2016
                               
                    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 17 Replies Received (View Replies)17 Replies Received (Hide Replies)
 | Message Closed w/Summary 
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| VIN | 3G5DB03E04 | 
| Engine | 3.4 L / 6 cyl / GAS | 
| Trans | 4-speed Automatic (Electronic) | 
| Delivery | Fuel Injection | 
| Emissions | OBD-II Compliant | 
| Symptoms | MIL Lamp On | 
| Occurs | Intermittently | 
Trouble Codes
| P0131 | Heated Oxygen Sensor (Bank 1 Sensor 1) Circuit Low Voltage | 
Message Closed w/Summary
            
             Vehicle Data
 Vehicle Data
                2004 Buick Rendezvous CX
| VIN | 3G5DB03E04 | 
| Engine | 3.4 L / 6 cyl / GAS | 
| Trans | 4-speed Automatic (Electronic) | 
| Delivery | Fuel Injection | 
| Emissions | OBD-II Compliant | 
| Symptoms | MIL Lamp On | 
| Occurs | Intermittently | 
Trouble Codes
| P0131 | Heated Oxygen Sensor (Bank 1 Sensor 1) Circuit Low Voltage | 
 17 Replies Received
17 Replies Received
 17 Replies Received
          17 Replies Received
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