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Date: Mon, 23 May 2005 18:00:38 +0100 From: Colin Stamp <col.dustbinnospamp.plus.com> Subject: Re: Replaced my DI cassette. Now getting misfire on 4... Help!
On 22 May 2005 14:45:32 -0700, "Hoov" <jhoovennospamter.net> wrote: > No, it idles fine. When I put the accelerator to the floor, it >only reaches < 4000rpm and starts to buck. Yep. That'll be the limp-home mode because the ECU thinks there's a miss-fire. It's still a bit of an unknown whether the miss-fire is real or not. > What is the ECU? "Engine Control Unit". In your case (I think) the Main Trionic control module. If you have a scope, you could check for the trigger pulses on pins 2,3,4 and 5 of the DI cassette. Pin 5 is the suspect one. Here's the diagram from the manual, if it's any help. http://www.stamp.plus.com/temp/SaabIgnition.gif Cheers, Colin.
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