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#help #wrx 2002 2003 2004 2004 wrx 2005 2007 2008 2009 2010 2011 2011 wrx 2016 wrx accessport boost bov brakes bugeye bumper buying buying advice cel check engine light clutch cobb cobb accesport coilovers dam dropping downpipe ej20 ej205 electrical engine engine swap exhaust feedback knock flywheel for sale hatchback hawkeye head gasket head unit headlights help help !!! ilold impreza incentives intake intercooler jdm knock leak manual misfire modification mods new buyer noise o2 sensor oem oil perrin radiator rebates repair rims rota sale spoiler springs spt stage 1 stage 2 sti stock subaru subaru wrx suspension swap timing belt tires tranny transmission transmission manual troubleshooting tune tuning turbo wagon wastegate wheel wheels wheels and tires wing wiring wrx wrx 02 wrx 08-14
  1. General Maintenance, Troubleshooting & Accidents.
    Help! My 2020 WRX is showing really low AF learning 1 values. I’m not sure why, all the other values are staying relatively normal and this started out of no where a few days ago. I’m on a stage 1 91 octane tune +big SF. The only mod I’ve done was the Cobb big sf intake and it was about 8 months...
    af learning afr sensor cobb accesport feedback knock
  2. General Maintenance, Troubleshooting & Accidents.
    Hello, My car has been popping a P0031 (Heater Circuit Low) and with a bit over 130000 miles I recognize that the front O2 sensor needs to be replaced. No problem. Of course everytime something dies on my car, I try to upgrade it. So I would like to do a wideband sensor with a gauge, and it...
    afr sensor afr wideband gauge front 02 sensor p0031
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