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Re: 99 Silverado 1500 4wd 5.3L - Sputtering
Ok, so I got it to throw a code finally. Tonight on my way home from work, I finally got code, P0171B - Fuel Trim System 1 Bank Lean, Don't quote me on the wording.
Basically, it is misfiring. But it's not starting until it gets up to temp, like I said before, 200-210 range. Once it gets there, the misfiring becomes very imminent. I can rule out injectors since increased rpm will actually smooth things out.
Any ideas, I am going to research this code. Does anyone know which side, Driver or passenger is bank 1? I think it's driver, but I'm not sure.
Thanks again.
Billy
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