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O2 Sensor location

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Old 11-06-2011, 11:43 AM
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Year: 1987
Model: Wagoneer
Engine: 4.0
Default O2 Sensor location

Where is the O2 sensor located on an 87 wagoneer/cherokee 4.0?

Haynes is showing it off the cat, but mine does not have a connection there.

Thanks in advance!
Old 11-06-2011, 11:47 AM
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Year: 1989 xj sport 2dr
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if its like my 89 should be on the manifold just above the flange where the pipe bolts up
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Old 11-06-2011, 12:46 PM
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Thanks! Yes, that's where it was. It's a bear to get to though- no clearance in any direction. Got the part at Advance for 19.99, but I'm going to have to get the shop to put it in.... guess it all evens out.
Old 11-06-2011, 01:04 PM
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Easy to change from underneath.....
Old 11-06-2011, 01:28 PM
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Originally Posted by cruiser54
Easy to change from underneath.....
what he said very simple
Old 11-06-2011, 03:26 PM
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Let us know how the Advance 02 work out. I have heard mixed reviews about them not really working.
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