Date: Wed, 20 Nov 2002 22:40:35 -0600 From: "Walt Kienzle" <wkienzlenopsam.com> Subject: Re: 9000 running on 3 cyls
An intermittent injector problem like that is possible, but doesn't seem likely. My 1991 9000T has the same setup as yours (DI and Bosch FI), and has over 130000 miles on it (about 210000 km). I noticed the fuel economy improved quite a bit - about 3 miles per gallon - after I cleaned the injectors. Have you tried replacing or switching the spark plugs? Examining the plug that isn't firing might give an indication if there is fuel but no spark, or if it is spark without fuel. Maybe the electrical contact to the spark plug in the DI cassette isn't making good contact. Or it may even be a faulty spark plug. Good luck! Walt Kienzle "Frode Haugen" <fh.nospamnopsammica.no> wrote in message news:3DDBE06E.6030804nopsammica.no... > Quite correct, my car is probably one of the last models combining the > Direct Ignition system with Bosch injection. Second generation > DI-cassette as I understand, being the type with the lead connected via > a connector. I have sprayed this connector, and the injector connectors > as well without any effect. > > Could it be injector wear (112000 km) causing one cylinder to run a lean > mixture that won't ignite under "difficult" conditions? It never happens > while the engine is warming up meaning the fuel enrichment system is > working. > > -Frode >
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