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Fuel injection air box rubber hose location
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Mickey89
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Joined: September 23, 2024
Posts: 24
Location: New Brunswick, Canada
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PostPosted: Mon Dec 22, 2025 6:14 am    Post subject: Fuel injection air box rubber hose location Reply with quote
The air box on a fuel injection module has a rubber pipe coming out the back that I don’t know where it goes. Noticed when trying to tidy up the engine.
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busdaddy
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Joined: February 12, 2004
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Location: Surrey B.C. Canada, but thinking of Ukraine
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PostPosted: Mon Dec 22, 2025 9:07 am    Post subject: Re: Fuel injection air box rubber hose location Reply with quote
There are numerous configurations, a phot will help.
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Mickey89
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PostPosted: Mon Dec 22, 2025 9:48 am    Post subject: Re: Fuel injection air box rubber hose location Reply with quote
Here are some photos thanks
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busdaddy
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PostPosted: Mon Dec 22, 2025 1:19 pm    Post subject: Re: Fuel injection air box rubber hose location Reply with quote
Look inside the RR fender inboard of the tail light for a canister, the plumbing and function are explained here: https://www.thesamba.com/vw/forum/search.php?searc..._chars=200
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Rust NEVER sleeps and stock never goes out of style.

Please don't PM technical questions, ask your problem in public so everyone can play along. If you think it's too stupid post it here
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Maltboy!
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Joined: June 17, 2006
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Location: Santa Fe, Texas
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PostPosted: Tue Dec 30, 2025 6:40 pm    Post subject: Re: Fuel injection air box rubber hose location Reply with quote
Mickey89 wrote:
The air box on a fuel injection module has a rubber pipe coming out the back that I don’t know where it goes. Noticed when trying to tidy up the engine.


Kudos for keeping your original FI system. The system is superior to carburetion in terms of power and drivability when functioning properly, and is actually very reliable despite its age. The only issue may be parts availability, but almost everything is available used or new. Look out for common problems like cracked/hardened vacuum/emission hoses.

Forum member busdaddy knows his stuff. You are in good hands here, so don't get discouraged.
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redhot
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PostPosted: Wed Dec 31, 2025 12:11 pm    Post subject: Re: Fuel injection air box rubber hose location Reply with quote
Maybe the below can help, but is on the filtered air side it seems.

https://www.thesamba.com/vw/forum/album_page.php?pic_id=1829748

https://www.thesamba.com/vw/forum/album_page.php?pic_id=1738636

https://www.thesamba.com/vw/forum/album_page.php?pic_id=1738635

Is it the line from canister maybe?

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redhot
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PostPosted: Wed Dec 31, 2025 12:46 pm    Post subject: Re: Fuel injection air box rubber hose location Reply with quote
See these three - you see the two lines going into right rear fender well.

https://www.thesamba.com/vw/forum/album_search.php?search_author=gyman98

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