97es Posted February 18, 2013 Share Posted February 18, 2013 i have a 97 es300 and had cel on for while got obd2 reader and got codes: P0441,P0446,P1410,P0401 pd, P0441,P0446 pd, and P1410 pd. i would appeciate if someone can help me with these codes. Quote Link to comment Share on other sites More sharing options...
uncledave11 Posted February 20, 2013 Share Posted February 20, 2013 The vapor pressure sensor and VSV for vapor pressure sensor are used to detect abnormalities in the evaporative emission control system. The ECM decides whether there is an abnormality in the evaporative emission control system based on the vapor pressure sensor signal. DTCs P0441 and P0446 are recorded by the ECM when evaporative emissions leak from the components within the dotted line in fig. 1, or when there is a malfunction in either the VSV for EVAP, the VSV for vapor pressure sensor, or in the vapor pressure sensor itself. Quote Link to comment Share on other sites More sharing options...
uncledave11 Posted February 20, 2013 Share Posted February 20, 2013 P1410 is an EGR circuit\valve problem:your EGR valve needs to be cleaned if possible or replaced if necessary. Try cleaning first Quote Link to comment Share on other sites More sharing options...
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