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Old 02-12-2021, 11:54 AM
unknownE53 unknownE53 is offline
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Join Date: Jan 2021
Location: usa
Posts: 3
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I did a smoke test nothing came out of the intake, I started getting p0171 & p0174 after I changed post cat o2 sensor on bank 2. After I did vcg bank 2 lean went away just p0171 persists. Iíve replaced the idle control valve , valve cover & gasket, took throttle and cleaned it, Iíve deleted the Ccv, Iíve replaced the vac line from fpr to intake boot , I did have wet oily spark plugs which I cleaned out along with coils and seemed to work no more misfires. Iím stumped on whatís going on with this thing.
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