Vette O2s
I then went to Corvette o2's from Bosch after that, I didn't believe it when everyone on here said Bosch o2's have slow response problems, a month later my car threw a CEL because of the o2's.
I now have bought factory Denso front o2's and re-pinned my PCM to where my rear o2 sockets actually read the front so I don't extension/longer o2's or anything else and my car's never ran any better, wish I would have done it to begin with.
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The Best V8 Stories One Small Block at Time
Like I said, the tuner ended up tuning out those codes. I have talked to a few running the same exact headers (which are ceramic coated to help keep the heat in) with no problems, so I'm not sure why it only happens to some cars.









