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-   -   Code p0446 (https://www.buickforum.com/forum/century-22/code-p0446-8064/)

Dave Wargo 08-01-2018 08:42 PM

Code p0446
 
I took my car to auto zone to check the code for my abs light. It said p0446 EVAP Canister Purge Vent Blocked. I cannot find any useful info online. Will i need to replace the purge vent? Or is it possible there is an issue elsewhere in the emission system. Also would that code have any effect on my abs lights? I recently replaced a hub assembly because the wire was ripped out from the old one. Any thoughts would be awesome thanks.

hanky 08-02-2018 09:01 AM

We are dealing with 2 separate issues.

Since you corrected the ABS problem you need to inform the computer .
You do that by removing the negative battery cable from the battery, hold the cable terminal against the positive cable end for a few minutes to discharge the capacitors,then reconnect the cable back on the battery, It will most likely clear all codes , depending on the vehicle year, then see if the Evap code comes back.
Most of the time you can check and clean the vent valve filter , last resort replace the valve.

Rich B. 08-03-2018 05:09 AM

Hanky is spot on for cap. discharge. Remember vividly the Klystron tubes on first generation microwaves and the high voltage anodes on TV picture tubes. OMG like hitting into a brick wall running at 15 MPH lol.

hanky 08-03-2018 06:24 AM

Sounds like you have been "bitten" by a few high voltage caps playing around pix tubes, know the feeling !!


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