Having the same problem the other guy described. I've changed the O2 sensor a number of times and just had the Speed Sensor replaced as well. I took the car to Hyundai and they pulled these codes: ...
P0441 DTC P0441 - Evaporative Emission Control System Incorrect Purge Flow What does that mean? This indicates that a part of the EVAP control system is no longer fuctioning correctly. The EVAP system
u2b00 code p0456 need to know what these mean. PO456 is a code for the EVAP system - small leak.Choices are a faulty gas cap, or leak in the fuel tank vent system.
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