Edmunds Answers

Answers

  • karjunkie 03/19/10 1:31 pm PST

    Bank 1 = driver's side
    Bank 2 = passenger side
    Sensor 1 = front (aka the "fuel-air", or "upstream" sensor; located in the exhaust manifold)
    Sensor 2 = rear (aka the "oxygen", "emissions catalyst function" or "downstream" sensor; located behind the catalytic converter(s)

  • jeffr82 04/19/10 8:12 pm PST

    My '03 Highlander has a transverse mounted engine. One bank to the front, one to the rear. Which is which?

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