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Old 07-23-2008, 07:50 PM   #3 (permalink)
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An easy way to tell the difference between the CA & Fed (49 state) VX's is to look at the oxygen sensor located on the top of the exhaust manifold.

The fed -with lean burn activated- will use a 5 wire sensor. The CA version will have a 4 wire sensor and no lean burn. One caveat is that the '92 CA VX had a 5 wire sensor but the ecu for the car didn't utilize it.

So, for the '92 VX's only, the way to tell is to look at the last three characters of the ecu. If it has an "L00" or "L01" it'll be a CA vx w/o lean burn. If it has an "A00" or "A01" then it's the fed version.

Clear as mud?
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