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Re: Re-learn procedure
So it has been about a month since I replaced the faulty O2 sensor and my long term fuel trim numbers are still high for that bank. I got a highway cruise value of about +14%. The other bank is petty close to zero. I ran a can of seafoam through the fuel system just in case it was a clogged injector but that didn't help. I am thinking of going to something more powerful like Redline SI-1 or the concentrated Chevron Techron. Any other ideas why the fuel trim would still be high? Maybe I should disconnect the battery for a half hour and just reset the whole ECU?
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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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