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Vee Dub Nut
Samba Member
Joined: April 25, 2004
Posts: 1184
Location: Dallas, GA
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 Posted: Tue May 28, 2019 6:23 pm Post subject: Re: Engine CSV fire, even after everything is done right |
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| alman72 wrote: |
| Vee Dub Nut wrote: |
| . All that said, I was more worried that it might inject too much fuel compared to the stock valve, . |
Could these be bench tested and volume of fuel released vs time be measured? |
Absolutely.. As Max said, its just an injector. Any capable injector shop should be able to test and measure flow. If you get creative, you can probably get a ROUGHish measurement with a DIY bench setup. Maybe someone will step up on that.
Am I planning on doing any more with it? No... not unless the new CSV gives me some indication that its not working as it should. Right now everything is right at rain, so on I go to other problems..
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67 Beetle (TBD)
74 Transporter (EJ25 Swapped) - Build Thread: https://www.thesamba.com/vw/forum/viewtopic.php?t=...mp;start=0
See all my VW pics on Instagram @ vee_dub_nut |
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furgo
Samba Member
Joined: September 06, 2016
Posts: 944
Location: Southern Germany
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| Posted: Thu Aug 08, 2019 2:15 pm Post subject: Re: Engine CSV fire, even after everything is done right |
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I've only come to read the updates on this thread now. Thanks so much for taking the time to test, document and share your setup.
| Vee Dub Nut wrote: |
| -Flow specs are unknown. I would expect it to be a higher volume flow than the original CSV based solely on the fact that the OEM application for this part was a larger displacement engine (~2.8L BMW). [...] |
From the old Bosch datasheet (*):
Original CSV:
- Bosch part no: 0 280 170 026
- Initial application: VW 411E
- Flow: 85 cm³/min (test pressure not specified)
- https://www.bosch-automotive-catalog.com/en/product-detail/-/product/0280170026
- Discontinued 04/2014
Alternative CSV:
- Bosch part no: 0 280 170 032
- Initial application: BMW 3.0 l USA, BMW 3.3 l
- Flow: 93 cm³/min at 3 bar
- https://www.bosch-automotive-catalog.com/en/product-detail/-/product/0280170032
- Discontinued 05/2007 <= the SMP CSV is available as old stock, I guess?
(*) I downloaded it from bosch-classic.com, before they took the site down for maintenance. Product search has been down for weeks.
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Hoody
Samba Member
Joined: November 28, 2007
Posts: 1948
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| Posted: Fri Aug 09, 2019 1:13 am Post subject: Re: Engine CSV fire, even after everything is done right |
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| If someone wants the original part PM me. |
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mr matt
Samba Member
Joined: May 26, 2005
Posts: 819
Location: southeast Pa
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| Posted: Wed Feb 23, 2022 5:54 pm Post subject: Re: Engine CSV fire, even after everything is done right |
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Greetings! - is anyone able to provide the distance between the mounting holes on the CSV?
Just bought an aftermarket one, and would to know if it fits. Really cannot get to my vehicle now.
Much appreciated.
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1955 3-fold semaphore Oval beetle
1971 Convertible beetle
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SGKent 
Samba Member
Joined: October 30, 2007
Posts: 41031
Location: Citrus Heights CA (Near Sacramento)
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| Posted: Wed Feb 23, 2022 9:24 pm Post subject: Re: Engine CSV fire, even after everything is done right |
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looks normal
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mr matt
Samba Member
Joined: May 26, 2005
Posts: 819
Location: southeast Pa
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| Posted: Thu Feb 24, 2022 2:47 pm Post subject: Re: Engine CSV fire, even after everything is done right |
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Thanks, but sorry, this is the measurement (pic is of the original) I need
to compare this distance to my new CSV
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1955 3-fold semaphore Oval beetle
1971 Convertible beetle
1977 Westfalia, FI, Berlin interior |
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SGKent
Samba Member
Joined: October 30, 2007
Posts: 41031
Location: Citrus Heights CA (Near Sacramento)
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| Posted: Thu Feb 24, 2022 4:11 pm Post subject: Re: Engine CSV fire, even after everything is done right |
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put the two side by side. Bosch only made so many styles. That style is the same as the one on your bus. Look at the part number on it.
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mr matt
Samba Member
Joined: May 26, 2005
Posts: 819
Location: southeast Pa
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| Posted: Thu Feb 24, 2022 5:22 pm Post subject: Re: Engine CSV fire, even after everything is done right |
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Wish I could, don't have an extra one to compare, & not able to get to my bus now, and due to back injury can't be bending over much to get my CSV out at this time.
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1955 3-fold semaphore Oval beetle
1971 Convertible beetle
1977 Westfalia, FI, Berlin interior |
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SGKent
Samba Member
Joined: October 30, 2007
Posts: 41031
Location: Citrus Heights CA (Near Sacramento)
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| Posted: Fri Feb 25, 2022 12:14 am Post subject: Re: Engine CSV fire, even after everything is done right |
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well, there is a number on the valve. You will probably find it if you look. Once you have that compare it to the known value for a bus. The color looks like it is a Bosch unit. Probably 022 906 171B or 0 280 170026
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airschooled
Air-Schooled
Joined: April 04, 2012
Posts: 12729
Location: on a bike ride somewhere
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| Posted: Fri Feb 25, 2022 9:12 am Post subject: Re: Engine CSV fire, even after everything is done right |
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The same CSV pattern was used on dozens of vehicles around the world. It will fit.
Robbie
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Loftus
Samba Member
Joined: April 08, 2020
Posts: 24
Location: Burlington, Ontario, Canada
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| Posted: Fri Feb 25, 2022 1:38 pm Post subject: Re: Engine CSV fire, even after everything is done right |
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| mr matt wrote: |
Greetings! - is anyone able to provide the distance between the mounting holes on the CSV?
Just bought an aftermarket one, and would to know if it fits. Really cannot get to my vehicle now.
Much appreciated.
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Here's the measurement...
Seems like 33mm from center of holes. Compared in pic is the CSV you have (foreground) against one from a 1984 VW GTI CSV (Background). Seems like a standard fitment as the measurement is the same on both CSV's.
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Last edited by Loftus on Fri Feb 25, 2022 3:28 pm; edited 1 time in total |
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SGKent
Samba Member
Joined: October 30, 2007
Posts: 41031
Location: Citrus Heights CA (Near Sacramento)
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| Posted: Fri Feb 25, 2022 2:31 pm Post subject: Re: Engine CSV fire, even after everything is done right |
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by the way, it does not appear to be an "aftermarket csv." It appears to be a used genuine Bosch CSV from a type 4 engine.
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Abscate
Samba Member
Joined: October 05, 2014
Posts: 22677
Location: NYC/Upstate/ROW
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| Posted: Fri Feb 25, 2022 2:57 pm Post subject: Re: Engine CSV fire, even after everything is done right |
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| Loftus wrote: |
| mr matt wrote: |
Greetings! - is anyone able to provide the distance between the mounting holes on the CSV?
Just bought an aftermarket one, and would to know if it fits. Really cannot get to my vehicle now.
Much appreciated.
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Here's the measurement...
Seems like 33mm from center of holes. Compared in pic is the CSV you have against one from a 1984 VW GTI CSV. Seems like a standard fitment as the measurement is the same on both CSV's.
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Measure that edge to edge and assume holes are same size for greater accuracy
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mr matt
Samba Member
Joined: May 26, 2005
Posts: 819
Location: southeast Pa
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| Posted: Fri Feb 25, 2022 6:50 pm Post subject: Re: Engine CSV fire, even after everything is done right |
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Sorry,
the pic I posted was taken from this site of a Bus CSV for ref of the measurement I was looking for., the one I bought if from a Toyota, which is not pictured.
Thank you Abscate, that is what i was looking for.
My next question is earlier in this site it was mentioned to have fuses in the engine bay... how does this help alleviate the cause of a fire or protection from?
Every electric line should have a fuse in the engine area?
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1955 3-fold semaphore Oval beetle
1971 Convertible beetle
1977 Westfalia, FI, Berlin interior |
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ToolBox
Samba Member
Joined: January 27, 2004
Posts: 3439
Location: Detroit, where they don't jack parts off my ride in the parking lot of the 7-11
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| Posted: Mon Feb 28, 2022 11:14 am Post subject: Re: Engine CSV fire, even after everything is done right |
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| mr matt wrote: |
Sorry,
the pic I posted was taken from this site of a Bus CSV for ref of the measurement I was looking for., the one I bought if from a Toyota, which is not pictured.
Thank you Abscate, that is what i was looking for.
My next question is earlier in this site it was mentioned to have fuses in the engine bay... how does this help alleviate the cause of a fire or protection from?
Every electric line should have a fuse in the engine area?
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The FI system power is unfused, adding a fuse protects the components from meltdown if a fault occurs. |
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mr matt
Samba Member
Joined: May 26, 2005
Posts: 819
Location: southeast Pa
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| Posted: Wed Mar 02, 2022 3:26 pm Post subject: Re: Engine CSV fire, even after everything is done right |
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Wow, even though I did not look at any wiring diagram, thought those wires were fused...
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1955 3-fold semaphore Oval beetle
1971 Convertible beetle
1977 Westfalia, FI, Berlin interior |
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Norma
Samba Member
Joined: September 26, 2020
Posts: 152
Location: Nor Cal
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| Posted: Fri Oct 14, 2022 4:37 pm Post subject: Re: Engine CSV fire, even after everything is done right |
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Hi, I think my cold start isn’t functioning well.
It starts fine but then I have a fuel flow problem.
I have new plugs, filters, cap ,rotor, points.
This issue started slowly after the bus was warmed up.
Now I can barely creep in and out of my driveway.
I live in No. Cal.
Above 45 most winter days.
Did I read I can bypass the CVS if I want to?
Even as a fix today that would be awesome!
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1976
Injected 2.0 Bay Window
3rd owner of 12 years now! |
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SGKent
Samba Member
Joined: October 30, 2007
Posts: 41031
Location: Citrus Heights CA (Near Sacramento)
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| Posted: Fri Oct 14, 2022 4:51 pm Post subject: Re: Engine CSV fire, even after everything is done right |
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it would not start if the CSV wasn't working. If the CSV was stuck on you would be belching black smoke.
Maybe be more specific with the symptoms. Most likely you have a vacuum leak somewhere or a hose has fallen off like the Aux Air elbow. Or is someone was working on it they may have forgotten to reattach the connector to the AFM etc..
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Norma
Samba Member
Joined: September 26, 2020
Posts: 152
Location: Nor Cal
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| Posted: Fri Oct 14, 2022 5:04 pm Post subject: Re: Engine CSV fire, even after everything is done right |
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Lol!
If someone else was working on it 
That’s me, yep, I’ll start checking all of those places.
I’ve forgotten thing before.
Thank you
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1976
Injected 2.0 Bay Window
3rd owner of 12 years now! |
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mr matt
Samba Member
Joined: May 26, 2005
Posts: 819
Location: southeast Pa
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| Posted: Fri Oct 14, 2022 5:09 pm Post subject: Re: Engine CSV fire, even after everything is done right |
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Yes, that does not sound like a cold start v.
Mine failed, I was able to start the bus, but it idled very rough until it warmed up, once warmed up.. it was ready to go....
agree with SG, be good to check vacuum leaks..
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1971 Convertible beetle
1977 Westfalia, FI, Berlin interior |
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