Start fluid to help determine if spark or fuel - Saab 900 Bulletin Board - Saabnet.com
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Start fluid to help determine if spark or fuel
Posted by Frank Myers [Email] (more from Frank Myers) on Sun, 17 May 2009 13:08:46
In Reply to: Re: 1990 Turbo Convertible just plain quit, turbocon86, Fri, 15 May 2009 18:20:56
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I know you can also have no fuel in fuel rail due to fuel pressure check valve so don't pull that pump till you see if you have fuel there by doing the 27 and 30 fuse trick, or you may be just doing a lot of work. However unless the check valve just went bad you should have noticed longer cranking on starting. It's alaway worse when there are multiple issues. Work spark , then fuel and it is easy to know which just by adding start fuid to the intake manifold. You say you have a weak spark, thats a sign of coil or spark intesifier, not cap or wires , although I have had two rotors fail on me and leave me stranded. The first gave no warning . Drove it made a stop, would not fire again. Second rotor on another 900 skipped etc for about 20 minutes tota;l then left me setting on side of road. Due to first experience the first thing I did was replace rotor and instant fix. That is why I gave that as my first suggestion.
posted by 76.177.14...
Posts in this Thread:
- 1990 Turbo Convertible just plain quit, DietrichOS , Thu, 14 May 2009 23:54:28
- re;1990 turbo convertible just quit, jkel, Sat, 16 May 2009 22:18:47
- Quick test before you pull the fuel pump, GaryJ, Fri, 15 May 2009 19:45:23
- Re: 1990 Turbo Convertible just plain quit, MarcD , Fri, 15 May 2009 06:45:37
- Re: 1990 Turbo Convertible just plain quit, FrankMyers, Fri, 15 May 2009 04:51:03
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