P0446 Code The Essential Guide to Diagnosis and Repair

P0446 is a vent valve contol circuit failure. If the electromagnet coil in the vent valve is burned out it'll appear to the ECM that the control circuit is ... Code p0446 · A Faulty or failed EVAP vent solenoid · Clogged or blocked EVAP charcoal canister · Damaged or corroded EVAP system wiring or ... Unlikely a bad charcoal canister but possible. P0446 would NOT set for a loose gas cap. A loose gas cap would set an EVAP Small Leak code while ... 2005 Prius (186k miles) throwing the P0446 error code (Evap Emission Control System Vent Control Malfunction). It was in the shop twice last year for this. General Technical & Electrical - P0446 EVAP Vent Control Circuit - Hey everyone! My 2007 2.3L gave a code P0446 : Evaporative Emission ... P0446 is for a partially or fully plugged evap system. Stuck closed vent valve, pinched line, plugged vent valve, etc. I understand that this code refers to the vapor canister. However, I wanted to see if there is anything in particular that I have to look for ... P0446 Evaporative Emission Control System Vent Control malfunction. ... My car has been throwing this code for awhile, and i can't figure out why. If the vent control circuit is throwing a code, the vent isnt opening to allow pressure release on fill up. Thus causing the fill neck to back ... On the US models there is a valve that is located on the DS valve cover(front) that has some small vac hoses and an electrical connection. The ...