Date: Sun, 6 Dec 1998 18:44:22 -0000
From: "Robert Booth" <>
Subject: Coughs and splutters when setting off

Can anybody point me in the right direction to solve the problem I have on my '89 900S 16V. Recently when I come to a stop at a junction or set of lights when I press the accelerator to set off again the engine will cough, splutter and occasionally backfire and generally run very roughly. The only way I can get on the go again is to keep pressing the accelerator until the revs build up (this doesn't happen immediately - it revs slightly then splutters and so on) and then wheelspin across the junction - not good for tyres or police attention!!! Its like when you press the accelerator the engine revs just die. I thought it might have been a combination of the recent cold weather and the fact that it hasn't run for about 2 weeks but when I eventually got it on the motorway it seemed to have a slight misfire even doing 70 mph. I had a similar problem a few months back but that time the engine would die completely (mainly at junctions, but did do it on normal roads just driving along), the check engine light would illuminate, and the car would be very, very difficult to restart - if at all. This seemed to be cured by taking the throttle position sensor off and spraying contact cleaner into it (its the switch type sensor incidentally). Any info or pointers would be much appreciated. Rob Booth.

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