Date: Thu, 7 Mar 2002 20:13:55 -0000 From: "John W" <john_woolfnopsamtspammail.com> Subject: Re: 1985 900i 16V
It sounds ignition related to me. How's your timing / rotor arm / distributor cap / HT leads / coil / vacuum advance ??? John 84 900i "Paul Halliday" <pjghnopsamail.com> wrote in message news:B8A921D0.8409%pjghnopsamail.com... > Hi people, > > I'm having a performance issue :( > > During the last few days performance has gone down the pan - accelerating > through 1st and 2nd is just difficult - there is a total lack of drive. > > Idling is perfect: 850rpm and totally static at rest. > 97 RON (Super) petrol or Shell Optimax used 1 tank in 4, with 95 RON > unleaded for the other 3. > > Air filter replaced about 6 weeks ago. > AIC valve replaced about 2 months ago due to a leak. > Cleaned the fuel injectors about 1 month ago. > Oil change (Castrol Magnatex 10w40) & oil filter (Champion) replaced about 2 > month ago - Wynn's flushed as well. > Spark Plugs (NGK) replaced about 6 months ago. > > I can't hear anything obvious in the engine, having checked for air leaks, > but from a cold start I *think* I can hear an exhaust blow but I can't find > anything when I look. From cold, a rev of say 2500rpm-3000rpm coughs a > little on the way back to idle a couple of times. It does go when the > engine is warm. > > Any thoughts? I haven't a clue. > > Please reply to alt.autos.saab or to pjghnopsamcom > > Regards, > > Paul >