02 sensor question Options

[Broham]

My 02 sensor is not responding well and when i checked it it looks like there is a plastic or metal sheet missing underneath the car. My question is where can i get a plastic or metal sheet to place underneath the 02 sensor to prevent from exposure to elements and wind. can the 02 sensor go bad due to too much wind exposure?

[FallenHero]

Question. Are all toyota O2 sensors the same? New they are like... 140 each, but I could get a them from a new damaged toyota for like.. nothing at all.

Also, do all ST's have 2 O2 sensors or did the 94-95 OBD1 celicas come with just one O2?

[presure2]

Question.  Are all toyota O2 sensors the same? New they are like... 140 each, but I could get a them from a new damaged toyota for like.. nothing at all.

Also, do all ST's have 2 O2 sensors or did the 94-95 OBD1 celicas come with just one O2?
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i dont know about the ST's but the GT 94-95 only has one UNLESS you have california emmisons. (mine does)