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1984 3 wire oxygen sensor????? 200 1984

uid 27's pic
posted by  Art Benstein on  Thu Oct 31 10:23 CST 2002
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last visit: Fri Oct 17 20:10 CST 2014
[RELATED]

The very late 84's used a heated sensor in the NA engine. I've pulled them at the boneyard because they were located conveniently on the manifold instead of under the car on the downpipe, where you'll find them on the later years. The thread is the same for both heated and unheated oxygen sensors.

I suspect you have an exhaust manifold that is not original; the earlier EGR equipped cars have a port for the EGR pipe at roughly the same location that is slightly smaller than that of the oxygen sensor. Much to my dismay. Why else would someone plug it instead of leaving even a dead sensor in place!


--
Art Benstein near Baltimore






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