not starting

[ron at bunch.org (ron@bunch.org)]

Sorry, I forgot to mention.
In basic fuel pump issues, the following trick works with basic Bosch CIS, 
but I'm not sure how far it will go beyond that except to feel the pressure 
against the plate. Should work that far in the 16V. (It was originally 
devised as a means to prevent a lean start and backfiring in the 1974 
Porsche CIS cars that tended to destroy the plastic airbox/manifold. Also a 
great means to enrich a REALLY cold start.)
Pull the air filter to expose the fuel sensor plate bottom.
Turn the ignition switch full on.
Put your fingers under the sensor plate and press upward.
If you feel pressure, your pump is working.
Lift up until you hear the injectors squirt and whine (unless they are E 
activated).
Count 5 seconds and add 1 second for each 5 degrees below 0 Fahrenheit for 
a rich start.

After 30 years of driving electric fuel pump fed cars, I'm glad that I laid 
down good money 20 years ago for  an original VW/Porsche Bosch fuel system 
pressure tester.  There have only been three times I've had to connect it 
in distress and diagnose the problem, but it paid for itself the first 
time. Now, it rides in any Bosch CIS car I drive.
Beyond that, it has become an essential periodic physical examination 
tool  to measure system control pressures, bleed down, etc to specification 
and rule out fuel feed as a problem.
Great thing is, you can connect it and measure system pressures (including 
control) while the engine is running. Problem is, you have to break the 
lines to connect.

I haven't had the time yet, but the Bosch tool has convinced me the best 
thing for all of my pressure fed toys would be sensors at all key points, 
run through a selector to feed a single cockpit gauge.

OK. This isn't helping you. So, I  recommend you go to basics on the fuel, 
attach a gauge and measure if you have blueprint pressure at the 
distributor, then if you have pressure out of each feed to the injectors.
You can't do it with electronically activated injectors, but one thing I 
love about the old plain CIS is that ability to grab a clear little 
small-mouth bottle for each injector, pop injectors from the head, insert 
injectors in bottles, pressurize, and lift the sensor plate whilst watching 
the spray patterns from each.
Short of the above, you can disconnect the input to the distributor, route 
it into a safe container (milk jug) and have someone crank. I have done 
that on CIS but it should work on all. At least you can rule out the pump 
(except for question of spec pressure.)
At 01:20 PM 10/28/03 -0800, you wrote:
>transfer pump or other pump?  I got the transfer from Potter, so I doubt 
>it's that one.  I have the Bentley in the car, but know nothing about that 
>which you speak.
>
>Mike
>
>pellom@yorku.ca wrote:
>How about the fuel pump? Sounds like the pump is FUBAR. If it won't bump
>start then I would say it's fuel related? Do you know how to check for fuel?
>ie. bridging the fuel pump relay terminals...
>
>HTH
>
>Sal
>
>
>Quoting Mike Smith :
>
> > It's turning over. Just acting like there's no gas getting to the engine.
> > The tanks over half-full. And, as far as I know, I've had no problems with
> > any of the items mentioned below.
> >
> > Mike
> >
> > Dan Smith wrote:
> > Have you checked the wiring around the alt? Maybe the excite (blue) 
> wire came
> > off, which would cause the battery to run dry. Haven't had any battery, alt
> > or starter problems I assume? I'm sure others will be more helpful, but
> > figured I'd toss that out there.
> >
> > Dan
> >
> > Mike Smith wrote:
> > Recently, the car (16v) died and after posting the symptoms, many said
> > "replace the transfer pump." I did that this weekend and it's been running
> > fine. 30 minutes ago, while heading out to run an errand, I started the 
> car,
> > it ran for about 1 second and died. I haven't been able to restart it 
> or pop
> > the clutch (only tried this once as I'm tight for space and don't wish 
> to be
> > stuck on the curb). What are the odds that it will start when I try to head
> > home (~2 hours from now)?
> >
> > Mike
> >
> >
> > word (w?rd)
> > interj. Slang. Used to express approval or an affirmative response to
> > something. Sometimes used with up. Source
> >
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>
>word (w?rd)
>interj. Slang. Used to express approval or an affirmative response to 
>something. Sometimes used with up. Source
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