FW: '86 5000 TQW - WARM START PROBLEM - TESTING FUEL ACCUMULATOR

["Remington, John" <John.Remington@pipe.nova.ca>]

Thanks to all who replied from the LIST.  I replaced the check valve 
on the fuel pump last night, and it looks like the problem is solved. 

Best Regards,

John Remington


> It could be the accumulator or the check valve in the fuel pump.  Both
> are
> tested by installing a pressure gauge on the FI system and measuring
> residual pressure after 15min-half hour.  IME I've never had to
> replace a
> fuel accumulator unless it leaked, but if you live in a place where
> rust is
> common I suppose the spring could rust.  I have had to replace a
> couple
> check valves ...
> 
> Also make sure that your injector cooling blower is functioning
> properly ...
> this can cause warm start problems where you get vapor lock in the
> injectors
> ...
> 
> HTH!
> Steve Buchholz
> San Jose, CA (USA)
> 
> > ----------
> > From: 	Remington, John[SMTP:John.Remington@pipe.nova.ca]
> > Sent: 	Tuesday, February 09, 1999 10:03 AM
> > To: 	'QUATTRO'
> > Subject: 	'86 5000 TQW - WARM START PROBLEM - TESTING FUEL
> ACCUMULATOR
> > 
> > As previously posted on the list, I have a warm-start problem after
> the
> > car has been left more than 10-15 minutes. Even 4-5 hours later, it
> can
> > take a LOT of cranking to start.
> > 
> > I've checked all vacuum and breather hoses, including the intake
> from
> > the 
> > intercooler.  I've been pointed towards the fuel accumulator.
> What's
> > the
> > best way to test? Or any other ideas?
> > 
> > TIA
> > 
> > 
> > Email john.remington@pipe.nova.ca
> >