IS - 2nd Gen (2006-2013) Discussion about the 2006+ model IS models

Oxygen Sensor Replacement

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Old 07-23-12 | 09:49 AM
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twenty's Avatar
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Default Oxygen Sensor Replacement

Hey guys,

I pulled a CEL last week, scanned it and it came up with P0051 - B2S1. Does anyone have a diagram of where this one is on a 07 IS250? I think it's on the passenger side right off the exhaust manifold, but I'm not too sure... also, if you have the replacement part number, I'd greatly appreciate it.

Thanks!
Old 07-23-12 | 10:10 AM
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Im sure bank2 is driver side top on the header. If you look from the top you'll be able to see it. Look online they go for $100 denso. Just don't buy the downstream one that goes on the mid pipe.

Last edited by laobo979; 07-23-12 at 10:20 AM.
Old 07-23-12 | 03:32 PM
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here you go.

Originally Posted by twenty
Hey guys,

I pulled a CEL last week, scanned it and it came up with P0051 - B2S1. Does anyone have a diagram of where this one is on a 07 IS250? I think it's on the passenger side right off the exhaust manifold, but I'm not too sure... also, if you have the replacement part number, I'd greatly appreciate it.

Thanks!
Attached Thumbnails Oxygen Sensor Replacement-oxysense.png  
Old 07-24-12 | 10:34 AM
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You guys rock! Thanks!

For future, anyone looking for the part #s:

8946730010 - RWD
8946730020 - AWD

Last edited by twenty; 07-24-12 at 10:42 AM.
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