Question about 2001 Toyota Highlander
Prior to replacing the bank 1 number 2 O2 Sensor to correct a code of P0141, I swapped it with the bank 2 number 2 sensor to verify the problem. The code changed from P0141 to P0161 to validate the problem, I thought. I purchased a new bank 1 number 2 sensor and replaced the bank 1 number 2 after putting everything back to original, Reset the system drove on the highway and as soon as I get off the exit on it comes, any help would be appreciated. How does the problem change sides when I only swap the number 2 oxygen sensor?
Posted by Anonymous on
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Posted on Jan 02, 2017
Bank one is toward the front of the vehicle. Sounds like the heated oxygen sensors have gone bad. The Oxygen Sensors are located in the exhaust pipe and require a special socket to remove and replace.
Posted on Jan 16, 2009
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P0141....O2 Sensor Heater Circuit (Bank 1 Sensor 2)
P0142....O2 Sensor Circuit Malfunction (Bank 1 Sensor 3)
P0143....O2 Sensor Circuit Low Voltage (Bank 1 Sensor 3)
P0144....O2 Sensor Circuit High Voltage (Bank 1 Sensor 3)
P0145....O2 Sensor Circuit Slow Response (Bank 1 Sensor 3)
P0146....O2 Sensor Circuit No Activity Detected (Bank 1 Sensor 3)
P0147....O2 Sensor Heater Circuit (Bank 1 Sensor 3)
P0340....Camshaft Position Sensor 'A' Circuit (Bank 1 or Single Sensor)
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