I think a different control pressure regulator fixed the problem in my
84 GTI. Test pressure guage was not reading correctly.

On 30 Aug 2006 15:55:19 -0700, "JH" > wrote:

>Regarding my recently aquired 84 VW Rabbit GTI - manual trans - 8
>valve.
>
>I have read posts regarding topics relating to hard, hot starts but
>have some additional questions.
>
>The car starts fine when it's completely cold, but takes quite a lot of
>cranking in order to get it to start when the engine is hot. I checked
>the cold start injector and found that it is working as it should on a
>cold start (sprays for about 8 seconds, then stops). However, the cold
>start injector does not operate at all on a hot start. The car does a
>"hot start" when I manually put 12 volts to the cold start injector for
>a few seconds while a helper starts the car.
>
>The other posts suggest that the failure is in the "hot start relay".
>I can not find a hot start relay on the car, or referenced as a part
>for this car. The only thing close is the CIS/Lambda relay. Is that
>it?
>
>I am about ready to add 12 volts directly to the cold start injector
>via a switch or, timer relay.
>
>Any suggestions?
>
>Thank you in advance!
>
>Jeff