16v fuel pumping woes

[blake at clockworm.com (Blake Irvin)]

cool - that is a very helpful list.  i've not had this car long  
enough to know how to think from the ground up.

but i agree, fuel flow is number one - thanks for the advice!

blake/


On Nov 16, 2005, at 3:11 PM, Jim Ruffi wrote:

> I don't mean to interrupt the flow of what you're doing here, but  
> why not
> ensure you have fuel delivery to the front of the car?  I don't  
> think the
> cold start injector is the problem.  If you're getting fuel out of the
> injectors and getting spark, the car will likely fire and hopefully  
> continue
> to run.  If you're not firing, you need to check the basics.   
> Remove the
> fuel line to the fuel distributor and bypass the fuel pump relay  
> with a
> jumper.  Make sure you're getting fuel.
>
> If you are getting fuel to the distributor, check for spark (if you  
> haven't
> already).  If you have spark, check the fuel flow at the injectors  
> (pull and
> injector, bypass fp relay, remove air hose, lift plate, check pulled
> injector for flow).  If no flow (assuming fuel delivery), consider the
> possibility that the fuel distributor plunger is stock.  If flow  
> and spark,
> check ignition and valve timing.
>
> Heck, just check to see if your spark plugs are getting wet.
>
> What I'm saying is you should consider taking a building block  
> approach,
> working from the basic, larger systems to the smaller ones.  The  
> list will
> help if you wanna "cheat" and pick someone's brain on the likely  
> culprit for
> a smaller problem, but nothing will replace the basic checks  
> outlined in the
> Bentley for getting a starting problem solved quickly.
>
> Jim
> (in NJ and willing to help, but I'm guessing you live too far away)
>
>> -----Original Message-----
>> From: Blake Irvin [mailto:blake@clockworm.com]
>> Sent: Wednesday, November 16, 2005 2:51 PM
>> To: Blake Irvin
>> Cc: Jim Ruffi; Scirocco List
>> Subject: Re: 16v fuel pumping woes
>>
>>
>> pulled the cold-start injector (5th fuel line off dist.)
>>
>> cranked - no gas comes out of the injector, doesn't even smell  
>> like gas.
>>
>> pulled terminal connecter off of cold start injector - connected to
>> my voltmeter - blacktoblack, redtoblue wires.
>>
>> cranked -   minus-9v
>>
>> so i guess it's the temp sensor?  (or maybe more wiring/ground
>> issues?  ewwww)
>>
>> blake/
>>
>> (oh - also connected center distributor terminal to ground first, as
>> per bentley)
>>
>
>