Question about 2000 Saab 9-3 Viggen

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2000 Saab 9-5 wagen - engine stops

I have a 2000 Saab 9-5 wagen, and have had it to the dealer here a couple times trying to get a problem fixed, but they have done nothing to fix it. The engine dies now and then, whether idling or at speed. The car will start again after this, but is somewhat unreliable in this condition. The dealer has checked it with his electronic diagostic equipment, and cannot find a problem. He replaced the PCV valve, and the timing belt and bearings were replaced irrespective of this problem. When I left it to idel while looking at it, it dies, and then can be restarted. Sometimes it acts as if it is going to die, then recovers and surges the RPM a moment then goes to smooth idle again.Does anyone have an idea what this could be? If you could give me some options, I can ask another mechanic to investigate. Many thanks,
Mike Rupp

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  • River914 Jul 07, 2008

    I have the same problem on a 2000 9-3 SE Convertible 2.0 Turbo. Changed DIC, Alternator, Idle Control Valve, Turbo Boost Pressure valve. Dealer and another Saab Mechanic find not problem. But the car is very unreliable. I don't know if it's going to start or not.

    Most of the time after it sat it would start, but now it only turns over and will not start. tow truck coming in the AM to take it to the dealer again.

  • golflesson Oct 30, 2008

    I have a '99 Saab 9-3 S convertible with the same problem.  It has the tendency to stop when idling or indeed jump to higher revs, to stay on, but not very reliable.  Did someone successfully fix this problem by fixing the crank shaft sensor?  What was the cost and were you able to do it yourself or did you go to the dealer. 


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Sounds like your CPS (crankshaft position sensor) is defective. It is a cheap sensor $75ish and only takes 30min max to R&R. Both the 4 cylinder turbo and 6 cylinder turbo have this sensor (different sensor, same concept) You can also check the function of your FPR (fuel pressure regulator) by sucking on the vacuum line attached to the intake manifold. It should hold vacuum without leaking down.

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Melbourne, FL

Posted on Sep 16, 2008

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I had the same problem...I changed the DI cassette and that didn't help so I changed the crankshaft sensor and it solved the problem right away!!

Posted on Jul 18, 2009

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If with the diagnostic tool they did not find any default cod can be fuel pump(cumon problem on saab),fuel pressure regulater,injectores.
with fuel pressure gauge connected to the rail is the easier way to check this sistem and probably diagnose your saab problem!

Posted on Sep 24, 2008

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I have Saab 9 3. year 1999. have the same problem. Do you think it will help me of changing the crank shaft Position sensor?

Please someone let me know.


Posted on Sep 23, 2008

Had a problem with mine, it would cut out when slowing to a stop, it was the crank shaft position sensor

Posted on Sep 14, 2008

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