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P0446 Diagnostic Trouble Code Discussion for May 2010

EVAP Vent System Performance

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Trouble Ticket Help Requests for DTC P0446
Help Request Posted
2003 Mazda MPV EX 3.0L MIL Lamp on VIN: JM3LW28JX3
P0446: EVAP System Vent Control Circuit Malfunction. ... & p0660. we replaced purge valve & leak detection pump & plugged in i.m.c.c. actator back in (we prob. left unplugged when tuned up 1k ago). van is now back with code p0446 & p2404. there are 0 battery volts @ the blue/pink wire @ the 4 wir...
May 24, 2010
2007 Ford F-150 XLT 4.6L MIL Lamp on VIN: 1FTRW12W67
P0446: Evap vent control circuit. Hi guys! the 2 codes will come right back after clearing. I changed the vent and press sen for tank, no help. I have no vent operation when commanded but it will work when manually triggered. I have 5 volts at tank press sen but no reading for it but [...] and...
May 28, 2010