[V8] 10 valve issues

[cobram at juno.com]

Ditto the check valve, I had one that worked itself loose and had the
exact same symptoms.  Chased many a false trail before finding it.

 
Kent McLean <kentmclean at comcast.net> writes:
> eric anderson wrote:
> > My 88 10 valve 90 quattro ... if it's dead cold it will crank for 
> 10-15 maybe
> > 20 seconds before it finally coughs to a rough idle and suffocates 
> under any
> > throttle.....
> 
> My old 10V (Bad Puppy) had a slow starting problem when cold. The 
> list
> suggested a one-way check valve at/in the fuel pump, or possibly 
> leaking
> injectors.
> 
> A bad check valve lets the pressurized fuel drain back to the tank, 
> forcing
> a long crank while the pump pressurizes the line on a cold start (or 
> sitting
> long enough to drain back). The leaking injector(s) means it drains 
> from the
> other end, but the same result.