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	 2007 Toyota Sienna LE 3.5L Excessive Emissions, MIL Lamp on 
		
		
  Hi I have a 07 Toyota sienna van with p0051 and a p0158 and
p2197 codes I have no toyota info and have no idea where to
start. Looks like I should replace the Bank 2 sensor 1 AFR
sensor. Does anyone have any service info on these codes? 
                        
                            FIX posted 8/6/2009
                             
                 
                            
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           Message Closed w/FIX 
	   
	   
	   
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| VIN | 5TDZK23C67 | 
| Engine | 3.5 L / 6 cyl / GAS | 
| Trans | 5-speed Automatic (Electronic) | 
| Delivery | FI | 
| Emissions | OBD-II Compliant | 
| Symptoms | Excessive Emissions, MIL Lamp On | 
| Occurs | Not Applicable | 
Trouble Codes
| P0051 | Heated Oxygen Sensor (Bank 2 Sensor 1) Heater Circuit Low Voltage | 
| P0158 | Heated Oxygen Sensor (Bank 2 Sensor 2) Circuit High Voltage | 
| P2197 | Air Fuel Sensor (Bank 2 Sensor 1) Signal Stuck Lean | 
Message Closed w/FIX
            
            
 Vehicle Data
                2007 Toyota Sienna LE
| VIN | 5TDZK23C67 | 
| Engine | 3.5 L / 6 cyl / GAS | 
| Trans | 5-speed Automatic (Electronic) | 
| Delivery | FI | 
| Emissions | OBD-II Compliant | 
| Symptoms | Excessive Emissions, MIL Lamp On | 
| Occurs | Not Applicable | 
Trouble Codes
| P0051 | Heated Oxygen Sensor (Bank 2 Sensor 1) Heater Circuit Low Voltage | 
| P0158 | Heated Oxygen Sensor (Bank 2 Sensor 2) Circuit High Voltage | 
| P2197 | Air Fuel Sensor (Bank 2 Sensor 1) Signal Stuck Lean | 
                            
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