Date: Thu, 17 Jul 2003 17:51:47 GMT
From: Paul Halliday <pjghnopsamyonder.co.uk>
Subject: Re: Still Hoping For Help


in article bf60up$bif5o$1nopsam52899.news.uni-berlin.de, Grunff at grunffnopsam.com wrote on 17/07/2003 12:23: > Loctite wrote: > >> 1989 9000CD Turbo with B202 Motor & LH 2.4 FI: >> Problem is low power and mileage. Boost is still good. Suffers from what >> could be called excessive "Turbo Lag" and very doggy >> acceleration leaving intersections. I have checked plugs, timing, vacuum >> leaks, etc., and also verifiied O2 sensor output, and it swung between >> apprx. .1 volt to .9 volts as the books say it's supossed to. I checked >> the ELCD for vacuum leaks and it is OK. >> I have been able to retrieve 2 codes from the ECU. They are 12111 and >> 12112, both of which point at an incorrect fuel mixture, and that is >> exactly what it drives like. I have replaced the fuel filter and done a >> capacity check on the pump and it is fine. >> Any ideas? Maybe FPR or injectors? How do I check them? > How's the air filter? This can make a big difference. This was one of my thoughts. Mixture doesn't necessarily mean that the fuel system is wrong or over-fuelling (although I don't know what the codes mean); it could be that there's not enough air getting in. My last 900 had a lumpy feel and after tinkering with the air/fuel mixture screw and the throttle stop for ages managed to solve all the problems with a simple air filter replacement. Good luck, Paul 1989 900 Turbo S http://saab.go.dyndns.org/

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