Emission system codes I have a PO 421, PO 171, PO 446, P1191 and a P 1193. any indication as to what sensor to buy to fix all or moset of these codes? Or is it something else? P0421 - Warm Up Catalyst
error code 446 Code 446 is for an open valve in the EVAP system. The computer uses the valve to vent the fumes from the gas tank.
codes po 123 po335 po446 I have codes and am trying to figure out wht they are for my accent , PO 123 PO335 PO446 Code 123 is a problem with the throttle position sensor circuit. Code 335 is a problem
Question about 2001 Elantra
...tank on my 2001 hyundai elantra. Any solutions? check engine light is on showing on analyzer codes 446 and 450 Common code you have there. My 2001 Elantra has kicked at least one if not both several ...
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