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O2 sensor bad out of the box?
How unusual is it to have a bad O2 sensor right out of the box? I had bank 1 sensor 3 throw a code for a slow response so we replaced it with a Bosch sensor. About a week later it threw the same code. It has been wet and slushy here. Not sure if that matters. Maybe we replaced the wrong sensor? My fuel trim numbers on bank 1 have been high (14-17%) before and after the sensor replacement. Not sure if that is related.
I also noticed my damn dipstick is popping up again. We just replaced the PCV valve which was stuck. This is a simple device so it shouldn't be bad out of the box. Maybe this time it really is just in need of a new o-ring.
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Tony
1996 Polo Green Subaru SVX LSi, 168,XXX miles, Redline D4 ATF, Redline 75W90 gear oil, K&N HP-4001 Oil Filter, Mobil 1 5W50 FS (3qt) and 5W30 High Mileage (4qt) Oil Blend, Motul RBF600 Brake Fluid, AC Delco A975C Air Filter, NGK BKR6EIX-11 plugs, Centric Rotors, Power Stop Evolution Carbon Fiber Ceramic Brake Pads
2005 Gray Acura RL, 165,XXX miles, Redline D4 ATF with Lubegard Platinum Protectant, Mobil 1 5W20 High Mileage Extended Performance Oil
2009 Red Toyota Venza, 123,XXX, Mobil 1 5W30 High Mileage Oil
1992 Red Ferrari 348 ts, 82,XXX, Redline everything
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