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2001 Lexus RX 300
Problem for Lexus 2001 RX 300

Where is bank 1 sensor 1 oxygen sensor 1999 ls400




By stock2011 on Nov 06, 2009

" "
where is bank 1 sensor 1 oxygen sensor 1999 ls400
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posted on Nov 06, 2009
Very Helpful)

emissionwiz
emissionwiz

Rank: Guru  Lexus Cars  Expert
Rating: 90%, 8528 votes
IT IS IN THE EXHAUST PIPE COMING OFF THE DRIVERS SIDE BANK OF CYLINDERS BEFORE THE CATALYTIC CONVERTER
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Solution #2

posted on Nov 06, 2009
Very Helpful)

techster04
techster04

Rank: Guru 
Rating: 87%, 47 votes
1.Bank 1 is on the driver side.
2.Bank 2 is on the passenger side.
3.Sensor 1 is the upper sensor or upstream sensor in the manifold.
4.Sensor 2 is the downstream sensor.
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