Replace the oxygen sensor before the catalytic converter, bank 1

What's included

• the sensor ahead of the catalytic converter on bank 1, the side with cylinder 1 (the only bank of an inline engine)
• raise the vehicle where the sensor is reached from below
• remove the parts in the way, or lower the subframe, where the sensor cannot be reached otherwise
• unplug the sensor and remove it
• fit the new sensor with anti-seize where it is not pre-coated
• refit the parts removed, reconnect, clear the codes and check the readings

Not included

• the other oxygen sensors
• exhaust repair
• catalytic converter replacement

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• Replace the oxygen sensor after the catalytic converter, bank 1
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