Need to replace 02 sensor, bank 1, sensor 2, in 2002 Lexus GS300, but don't know if bank 1 is the first 3 cylinders from the front of the car (left side) or the back 3?

Asked by May 13, 2013 at 06:54 PM about the 2002 Lexus GS 300 RWD

Question type: Maintenance & Repair

Until I know where it's located, I won't be sure which sensor to purchase.  Can you help?

2 Answers

115

if its like six cylinders its on the right side with you facing the fan belt

5 of 5 people found this helpful.
102,805

Sensor one is in the exhaust headers. Sensor two that you mentioned is after the catalytic converter. Double check which one you need.

4 of 4 people found this helpful.

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