Jump to content

Welcome to RennTech.org Community, Guest

There are many great features available to you once you register at RennTech.org
You are free to view posts here, but you must log in to reply to existing posts, or to start your own new topic. Like most online communities, there are costs involved to maintain a site like this - so we encourage our members to donate. All donations go to the costs operating and maintaining this site. We prefer that guests take part in our community and we offer a lot in return to those willing to join our corner of the Porsche world. This site is 99 percent member supported (less than 1 percent comes from advertising) - so please consider an annual donation to keep this site running.

Here are some of the features available - once you register at RennTech.org

  • View Classified Ads
  • DIY Tutorials
  • Porsche TSB Listings (limited)
  • VIN Decoder
  • Special Offers
  • OBD II P-Codes
  • Paint Codes
  • Registry
  • Videos System
  • View Reviews
  • and get rid of this welcome message

It takes just a few minutes to register, and it's FREE

Contributing Members also get these additional benefits:
(you become a Contributing Member by donating money to the operation of this site)

  • No ads - advertisements are removed
  • Access the Contributors Only Forum
  • Contributing Members Only Downloads
  • Send attachments with PMs
  • All image/file storage limits are substantially increased for all Contributing Members
  • Option Codes Lookup
  • VIN Option Lookups (limited)

P0446 P0445 Check Engine Light Codes

tXster
 Share

Recommended Posts

tXster Member

tXster

Posted
Posted

Last week I received a P0446 CEL code, after some searching on this site, I cleared the code and filled the gas tank. Yesterday I received P0445, so I dropped off at the dealer. A smoke test revealed leaks in the charcoal canister. I thought I'd post this "smoke" test since I hadn't read about this before. Hope this helps someone else out.

  • Upvote 1
  • Admin
Loren Member

Loren

Posted
  • Admin
Posted

P0445 EVAP Canister Purge Valve – Short to B+/Short to Ground

Short circuit to B+

Short circuit to ground

– Wiring harness

– DME control module

P0446 EVAP Canister Shutoff Valve (Function) – Below Limit

– Purge air line blocked

– Flow resistance of EVAP canister too high

  • 2 months later...
tXster Member

tXster

Posted
  • Author
Posted

Two months for my dealer to receive the carbon canister from Porsche! My original canister failed causing these check engine codes. In addition, cold engine caused a very rough idle until warmed up. Idle would chase after warmed up. According to my dealer, both were due to the failed canister Hopefully these issues have been fixed.

Parts replaced:

955-201-081-02 Carbon Canister

955-201-908-00 Moulded Hose

N-100-232-91 Hose Clamp

  • 4 months later...
txhokie4life Member

txhokie4life

Posted
Posted

Two months for my dealer to receive the carbon canister from Porsche! My original canister failed causing these check engine codes. In addition, cold engine caused a very rough idle until warmed up. Idle would chase after warmed up. According to my dealer, both were due to the failed canister Hopefully these issues have been fixed.

Parts replaced:

955-201-081-02 Carbon Canister

955-201-908-00 Moulded Hose

N-100-232-91 Hose Clamp

any update on this?

Create an account or sign in to comment

You need to be a member in order to leave a comment

Create an account

Sign up for a new account in our community. It's easy!

Register a new account

Sign in

Already have an account? Sign in here.

Sign In Now
 Share
Go to topic listing
×
×
  • Create New...

Important Information

We have placed cookies on your device to help make this website better. You can adjust your cookie settings, otherwise we'll assume you're okay to continue.