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I am waist deep now. lol

I usually do not run into an issue like this or have to increase the proportional to oscillate faster with a stock motor with all stock parts. Beats me.

The O2's are in the stock location of the...

When the B2 O2 harness plug was on the drivers side wrong, we got P0171(bank 1 lean, the drivers side). We swapped the B2 O2 harness to the correct side, the passenger side and now we are getting...

I swapped sides and it works. The only problem now is the O2 is reading lazy or dead at idle but switches well under rpm. I ohm'd 2 different AC delco O2's and they both ohm's fine at 15. I...

I have to download the wiring manual off painless. This is the times when tuning is a pain. I m one of the few tuners that will actually do some wiring investigation or wrenching around here. ...

I had a conversion car come in that is a bit of trouble. Maybe you guys can see something I don't or confirm.
Here is the info on the car-

79 Malibu
All Stock 5.3 from a 2005 Silverado...