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I'm getting a PO152 (02 Sensor) on my LT4 yet the sensor is reading fine. I have all kinds of new parts BUT the code has been there (and keeps returning after I clear it) before the new stuff and is still there.
New stuff being:
Plugs, wires, opti, cam, chain etc..
Any ideas as to what the problem could be?
Car is running perfect.
Let me add, I also sent my PCM to pcmforless and even after the re-tune the code is still there!