Date: Sun, 21 Apr 2002 22:26:08 +0200 From: "Johan Beikes" <j.beikesnopsamdoo.nl> Subject: Re: '89 900T runs at idle, but won't run above <pkjohnsonnopsam.net> schreef in berichtnieuws of3w8.13376$Hd5.3955375226nopsamsvr10.news.prodigy.com... > Johan, > > The chattering sound that I heard was definately in the lefthand side of the > engine compartment. What does the valve for the lambda system look like? > > I also have a spare APC valve that I could swap. > > > Johan Beikes <j.beikesnopsamdoo.nl> wrote in message > news:a9q3is$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 > > > > > > > > > > > >
