AHA! that makes sense... Ive never measured the fuel pressure. is it a big
job changing those O rings? my fuel dist is rather rusty....

THanks,

keith

"SFC" > wrote in message
. ..
>A typical case of vapour lock. The fuel pressure drops to quickly. It
>should be at least above 1bar/14psi for about 20min after shut down. I
>changed all the o-rings of the pressure regulating valve in the fuel distr.
>and it fixed the problem.
>
> SFC
>
> > schreef in bericht
> ...
>> "Keith Park" > wrote:
>>
>>>87 Golf, CIS (No E)
>>>
>>>Whenever I start it hot or warm it starts right up but runs poorly and
>>>hesitates for the first 20 or 30 seconds or so. Is this NORMAL with
>>>todays
>>>Crappy Gas vaporizing in the fuel lines?
>>>
>>>Does anybodys 85-87 Golf have a nice pleasant hot start idle right off
>>>the
>>>bat?
>>
>> My '87 Golf with CIS has been doing basically the same thing
>> for 6 or 7 years. My car has 553K on it now, this started back when
>> the mileage was back in the 200K range.
>> It starts and idles fine when cold. Once warm it will start
>> and idle OK only if it has been sitting for less than 5 minutes or so.
>> If it sits longer than 5 mins it starts fine but runs really crappy
>> due to a rich mixture (a very rich mixture gives the exhaust a
>> distinctive smell). It will idle fine if I either let it fast idle
>> (foot on the pedal) for a minutes or so or start driving it for a few
>> seconds.
>> It has done this despite a new fuel pump, new fuel pump check
>> valve, new injectors as well as a different (used) warmup regulator,
>> frequency valve and ECU. I've come to the conclusion that the fuel
>> distributor is a fault, mainly due the fact that it is the only fuel
>> injection component not yet replaced. I have a rebuilt one ready to
>> install, just haven't got around to doing it yet.
>>
>>
>> Todd
>> Seattle,WA
>> '86 GTI, Red of course. (exciting racey car) 261,000 miles
>> '87 Golf, Polar Silver. (boring work car) 553,000 miles <- Yeah,
>> baby!
>> http://www.pureluckdesign.com <-Ferrari & VW stuff
>
>