 |
|
|
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 > > > > > >
