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Won't restart after a brief stop

I have and thoroughly enjoy my 2001 Saab 9-3 Convertible. It looks good, runs well and I intend to keep it for the foreseeable future.

Recently however, it’s developed a problem that has my local mechanic stumped. The car cranks, but does not start after a short stop, 5-30 minutes in duration, the car will not restart. However, if I wait another 10-15 minutes it will start, so far it has been intermittent but I am sure the day is coming when it will simply not start.

My mechanic replaced the fuel pump relay, and has checked the pressure on the fuel pump, which he says is fine, but beyond that is not sure what could be causing this problem. It is a manual transmission, most of the posts on this topic relate to a similar issue, that is unique to automatics.

Any thoughts on what could be wrong are appreciated.


next time it happens, remove the gas cap and try to start it.

This is a classic sign of bad tank venting.

Have you had the throttle body cleaned recently? If not have the mechanic clean the throttle body with special emphasis on the idle air control valve and passage.

Hope this helps.