Hi
Yesterday I had a new fuel pump put in my 93 900S (the old one died)
and today I noticed that it cranks about five or six times before
starting when cold. Once it’s been running it starts in about one or
two times. I talked to the mechanic and he said it was the ignition
switch (the guy who towed it cranked my key when he was loading the
car. It turns kind of hard now).
Any advice?
Thanks.
Liz
July 30, 2010
Hard start after new fuel pump install
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Liz,
Probably not the ignition causing the extra cranking. Your fuel pump has/had
a couple of check valves. One keeps the fuel rail pressurized even when the
car is off. If this check valve bleeds down, the fuel rail will loose
pressure and the fuel pump has to pressurize it again when you try to start
it. Long story short, this is probably the culprit. Either it was
disturbed/damaged when the pump was replaced or it was removed. The hard
turning of the key is important to fix. If it was manhandled, it may have
bent one of the pieces here. The towing company should pay to have it
disassembled and inspected/lubed and any bent parts replaced. Were the
repairs done at a shop that specializes in Saabs or a dealer?
KeithG
"Liz" <eaw…@ncia.net> wrote in message
news:6dda0fe4.0203201427.25e08b06@posting.google.com…
- Hide quoted text — Show quoted text -
> Hi
> Yesterday I had a new fuel pump put in my 93 900S (the old one died)
> and today I noticed that it cranks about five or six times before
> starting when cold. Once it’s been running it starts in about one or
> two times. I talked to the mechanic and he said it was the ignition
> switch (the guy who towed it cranked my key when he was loading the
> car. It turns kind of hard now).
> Any advice?
> Thanks.
> Liz
Comment by admin — July 30, 2010 @ 12:48 am
Thanks for responding, Keith.
My mechanic specializes in Saabs. Both the key and the cranking have
improved. Now it starts in two or three times when cold. (this is
without turning the key part way first)
The shop that towed me does a lot of work for me too and he is ready
to look at the whole situation.
Liz
- Hide quoted text — Show quoted text -
"KeithG" <no…@earthlink.net> wrote in message <news:a7igc5$bii$1@slb1.atl.mindspring.net>…
> Liz,
> Probably not the ignition causing the extra cranking. Your fuel pump has/had
> a couple of check valves. One keeps the fuel rail pressurized even when the
> car is off. If this check valve bleeds down, the fuel rail will loose
> pressure and the fuel pump has to pressurize it again when you try to start
> it. Long story short, this is probably the culprit. Either it was
> disturbed/damaged when the pump was replaced or it was removed. The hard
> turning of the key is important to fix. If it was manhandled, it may have
> bent one of the pieces here. The towing company should pay to have it
> disassembled and inspected/lubed and any bent parts replaced. Were the
> repairs done at a shop that specializes in Saabs or a dealer?
> KeithG
> "Liz" <eaw…@ncia.net> wrote in message
> news:6dda0fe4.0203201427.25e08b06@posting.google.com…
> > Hi
> > Yesterday I had a new fuel pump put in my 93 900S (the old one died)
> > and today I noticed that it cranks about five or six times before
> > starting when cold. Once it’s been running it starts in about one or
> > two times. I talked to the mechanic and he said it was the ignition
> > switch (the guy who towed it cranked my key when he was loading the
> > car. It turns kind of hard now).
> > Any advice?
> > Thanks.
> > Liz
Comment by admin — July 30, 2010 @ 12:49 am