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Volkswagen Fox: 1987-1993 Wanna buy an '87...CIS-E help...


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Last Post: Jul 29, 2011 12:59 AM Last Post By: tcovenant2000
tcovenant2000

Posts: 1,763
Registered: 12/09/03
Wanna buy an '87...CIS-E help...
Posted: Jul 26, 2011 6:52 PM
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I want to buy an '87 Fox. I am very knowledgeable about CIS, but not so much about CIS-E. What are the main differences?
The problem here is the car was running. It died suddenly. They towed it home and it worked again for a while, then died. After that it would crank and start for a few secs and die again. Someone told the owner that the problem was in the fuel distributor. So he took it all apart. The parts are in a box. I'm no dummy...heh...I have no plans to try to put that puppy back together.
The car cranks. When it does, a TON of fuel pumps out of the line from the pump (all the lines are obviously just hanging). I pulled the fuel pump relay and put some starter fluid into the intake and it started right up. So it seems the engine is good. The fuel pumps appear to operate (no way to test the pressure off of a banjo bolt fitting...).
So: I plan to find a fuel disty at the 'yard and give it a whirl. Are there any hiccups here? Anything obvious I might be missing? I don't really know what the black box with the 3 pin connector on the side of the fuel disty is for. Also, how does the differential pressure regulator differ from the frequency valve on my beloved CIS?

Thanks!

Thomas
FKH161

Posts: 7,610
Registered: 12/29/05
Re: Wanna buy an '87...CIS-E help...
Posted: Jul 27, 2011 8:31 PM   in response to: tcovenant2000 in response to: tcovenant2000
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Hi Thomas,

For $2.50 you can get a CIS-E booklet from BOSCH:

http://www.boschtechinfo.com/index.cfm?event=product.search&format=Technical%20Instruction%20Booklet

I have it, it's 40 pages thick... should answer all your questions. :-)
tcovenant2000

Posts: 1,763
Registered: 12/09/03
Re: Wanna buy an '87...CIS-E help...
Posted: Jul 29, 2011 12:59 AM   in response to: FKH161 in response to: FKH161
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Sweet!
I'm out of town these last two weeks, so no access to my Bentley or my Haynes, both of which have good descriptions (as I recall) of the CIS-E. For $2.50 I'll buy that book!

In my early days of owning my Wabbit 'vertible I wanted to buy a book on Bosch emissions (living in So. Calif was wanting to understand how to make sure I could pass smog...very strict standards there). I couldn't find it anywhere. A few weeks later I was told by work that I was being sent to England to give some training in London. A few days after that I found the book I wanted...in a little book shop off of Picadilly Circus. Needless to say I called and paid for it and the wife and I went there and picked it up while on my training trip. The internet rocks!

Thomas

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