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192 Posts
Discussion Starter · #1 ·
What O2 sensors are you using. Brand and where did you buy them from.

Simple Question as I have been having an issue with a couple of NTK ones I bought and wanted some input from other 4.X owners.

Especially if you are running a 93 Elderado with the dual O2 setup.

P.S what years or model 4.9's used the 2, O2 system.
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