Need a bit more info about that. You need to get hold of an OBD2 diagnostic tool (code reader) , plug it in and read off DTC's (Diagnostic Trouble Codes)
heres a link to saab.se trouble codes listing, look up the Code numbers and make a note of the codes that your car's ECM throws up.
https://saabinfo.se/en/og-9-5/error-codes/obd2-error-codes/
usual suspects are CPS (crankshaft position sensor), which are in the general area of P0335 onwards in the listing, but it could be a number of other things too. More info required please.
SOURCE: saab 95 1998 - wont start
The most common problem is the Direct ignition cassette, followed by the crankshaft position sensor. I am assuming that it cranks, but won't start.
SOURCE: saab 95 2002 3.0l v6 turbo. when warm, starts to
Have you had your mass air meter checked or replaced? This is the unit attached to the air intake hose behind your air filter. It senses the air temperature, speed, density, etc... and adjusts the fuel/air ratio to keep the vehicle running at "peak" performance. Also, check your TPS (throttle positioning sensor) it can also cause the problem you speak of. The TPS adjusts your engine speed/idle etc. and also compensates for hot/cold changes etc. This is roughly a $35.00 part and in most cases usually an easy fix.
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