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Plenum Repair Question...

Old Apr 21, 2011 | 01:42 PM
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Default Plenum Repair Question...

I know I've seen the answer to this somewhere before, but I can't find it...

When I do the repair, which O2 sensors should I replace at the same time? Just the pre-cat's, or all 4?
 
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Old Apr 21, 2011 | 03:33 PM
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Just the pre-cats.
 
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Old Apr 21, 2011 | 04:17 PM
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OK, looks like I have only one pre-cat sensor.
 
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Old Apr 21, 2011 | 04:18 PM
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If you have federal emissions, (I.E. NOT california emissions) you will only have one Pre-Cat sensor.
 
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Old Apr 21, 2011 | 04:30 PM
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That is apparently exactly what I have.
 
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Old Apr 21, 2011 | 04:31 PM
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Now I just have to figure out how I'm going to get my arms in there to unplug it!
 
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Old Apr 21, 2011 | 04:41 PM
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you can pick up a socket at a parts store to take it out with.. it's about $8 or so, and it sucks because you'll rarely need it.. but it is worth a LOT more than that when you do!
 
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