Q: P0171 code
I have rebuilt the top end completely and have added short pipe headers still have cat and i keep getting the 02 bank 1sensor 1 to lean p0171 and I've replaced iac map tps and checked lined and intake for leaks and nothing runs fine idles fine doesn't get hot but still runs this code please help
My car has 199682 miles.
My car has an automatic transmission.
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