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Date: Sat, 20 Apr 2002 01:11:48 GMT
From: "Kirk Johnson" <pkjohnsonnopsam.net>
Subject: Re: '89 900T runs at idle, but won't run above <j.beikesnopsamdoo.nl> wrote in message
news:a9q3is$utp$1nopsamenger.euro.net...
> Hello Kirk,
>
> It depends on what fuel system you have. If it is the mechanical injection
> from Bosch (European cars) and if it is REALLY at the lefthand in the
front,
> then most likely you hear the valve that is controlled by the lambda unit.
> This valve regulates the mixture. The fault may either be in the valve
> itself, the oxygen sensor or the lambda unit. As the valve is chattering,
it
> is your prime suspect.
> If the chattering is NOT at lefthand side but more in the middle near to
the
> ignition coil, you hear the three-way valve that regulates the turbo
> pressure. A leak in this valve may cause the cyclic up and down of rpm. If
> you ask me, then i would gamble on the threeway valve.
> Good luck.
>
> Kirk Johnson <pkjohnsonnopsam.net> schreef in berichtnieuws
> cfJv8.13221$qC6.3898893407nopsamsvr10.news.prodigy.com...
> > Sunday I took a drive after the car has pretty much been stored away all
> > winter. As I was motoring along, I lost power and it felt as though I
was
> > running out of gas. I pulled over the car was idling fine but when I
> stepped
> > on the pedal the rpms would get up to nopsam rpms and then back off and
go
> up
> > and down in cyclical fashion. I shut the car off and poked around under
> the
> > hood and found nothing to look abnormal. I started it back up and it ran
> > fine, so I took home.
> >
> > Last night the same problem happened again, now it won't recover. Before
> > this happened I did notice a sound in the left front quadrant of the
> engine
> > compartment(near the APC box) which sounded like a chattering relay. Is
> > there a relay in this area which has something to do with the fuel or
> > ignition system?
> >
> > I opened up the cover over the fuel pump and it sounded like it was
> running
> > smoothly.
> >
> > Any other idea?
> >
> > Thanks very much for any help.
> >
> > Kirk
> >
> >
>
>

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