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Recent questions tagged upstream

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1 answer 463 views
P0131 Mitsubishi - is this the upstream oxygen sensor
asked Jun 26, 2018 by
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1 answer 698 views
P0036 Chevrolet - Upstream or downstream O2 Sensor ?
asked Jun 13, 2018 by
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1 answer 475 views
P0037 Subaru - Is this the upstream before cat o2 sensor?
asked Apr 10, 2018 by
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1 answer 540 views
p1164 bad o2 sensor or bad catalytic converter?
asked Apr 4, 2018 by
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1 answer 786 views
2004 Kia Amanti code P0431, location and upstream or downstream?
asked Feb 7, 2018 by Cindy Hales (101 points)
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1 answer 886 views
Is a code P0051, bank 2, sensor 1 considered downstream?
asked Jun 20, 2017 by
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1 answer 492 views
HOW DO U KNOW IF U NEED UPSTREAM OR DOWNSTREAM.
asked Apr 15, 2017 by
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