Date: Tue, 04 Apr 2000 15:57:47 +0200 From: Dick Telder <dotnopsampassagen.se> Subject: Re: poor fuel consumption
On Sun, 2 Apr 2000 09:35:22 +0100, "jim macmillan" <jimmymacnopsamnetuk.com> wrote: >i am getting only 17-20 mpg from my 92' Saab 9000 2.3 cse and garage put >engine management system on check. It reported everything ok but need need >Direct Ignition unit. > >Can anyone explain to me the way it works and why exchanging this unit would >improve my fuel consumption. If you do not have ignition on all cylinders, you need to replace the DI unit. If your engine runs smooth, the DI unit is okay. I would then guess it might be a faulty knock sensor or an electrical fault. >Does it need to be new or will a seconhand one do ? A second hand unit might fail, as your did.... /dot
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