How do you fix code p0446 on Kia Optima?

How hard is it to replace the PCV Valve on 1995 4 cly Camry? 1994 Mazda b2300 truck my question is when i turn on the heat control knob nothing happens. i don't get heat what so ever i cant hear the fan turn on. If not the fuse what else could it be? Does 2005 v6 solara have a timing chain? Where is the relay switch located on a 1990 Honda Civic DX? What is the best way to wire a electric in line fuel pump on a 1987 suzuki samurai? Where is the turbine speed shaft sensor on 2010 Mazda 3? How do you change the cabin air filter located in a 2000 Mazda 626 V6? What kind of oil for a 1997 Nissan 200sx? Hand break warning lite stays on Honda Odyssey? Does a faulty power steering pressure switch affect gas mileage? How do you change the alternator on a 1995 Honda Civic Dx? How do you Reset the maintenance light on a 2002 Honda Odyssey? Does a 1998 Toyota corolla have a timing belt if yes when should it be replace? Will a Toyota Tacoma tail light fit in a Toyota T100 housing? What is the correct tire pressure for a Honda Odyssey? What would cause a 95 Mitsubishi diamante wagon to just lose spark all of the sudden? What if your 92 Toyota 4 runner starts but runs rough for about 10 seconds then smooths out if it doesnt start the first time it fires it smells like gas real bad and will not even fire till next day? What is an all-up weight? What is oil capacity for 2011 Toyota Tacoma six cylinder engine? Where is the air conditioner drain on a 2001 Mitsubishi Galant?