Fw: Warm start problem - 5kcstq

["Tom Nestor" <tnestor@cyberportal.net>]

Richard -

   I believe your motor is equipped with an injector cooling fan. Check to
see that it is operating. Also, if it is vapor locking, it is most likely
caused by a weepy injector(s). If a CIS injector does not fully close at
rest, it will allow system pressure to bleed off. The clue here would be
lumpy running for the first seconds after start up, then smoothing out as
the faulty injectors fuel line is purged of air.


Tom Nestor
Tilton, NH
91 200 tqw


>-----Original Message-----
>From: Mark Stevens <drtsqurt@pioneerplanet.infi.net>
>To: Richard Reed <dosquattros@hotmail.com>
>Cc: quattro@coimbra.ans.net <quattro@coimbra.ans.net>
>Date: Friday, January 29, 1999 2:52 PM
>Subject: Re: Warm start problem - 5kcstq
>
>
>>Richard Reed wrote:
>>>
>>> Greetings,
>>>
>>> Have begun having a strange warm start problem w/86 5kcstq.  Car starts
>>> fine when cold.  Will also start fine when hot (run it up to temp, shut
>>> down, and start again within 5-10 minutes) but if it sits more then say
>>> 15-20 minutes, won't start for an hour (won't even catch).  Boosts good
>>> (1.2 - 1.3 bar) intake hoses are fine, no apparent vacume leaks...
>>>
>>> Any ideas?
>>>
>>> TIA
>>>
>>> Richard:
>>It sounds like vapor lock. I don't know where you live, but in cold
>>climes they blend gasoline differently, summer vs winter.  On warm days
>>(30F or above) in the winter it can vapor lock easily, thus causing the
>>starting problem you described. I have experienced the same problems
>>with my 5kcstq and the problem is solved by using a different brand of
>>gasoline.
>>
>>Best regards,
>>Mark
>>
>>
>