I also have a 2004 saab that I have been letting my son drive to college. He came home over the weekend and it has a problem idiling. I put some gas treatment in it. but it's still doing it any suggestions. Thank you SillySally

Sally Brooks

Asked by Apr 03, 2016 at 09:08 PM about the 2004 Saab 9-5 Arc 2.3T

Question type: Maintenance & Repair

It seems that it does not want to idle.  When you first start it, doesn't want to
stay running.  But once you get it going it hesatates but goes on.  When you
come to a light it wants to die any help would be appreciated.

1 Answer


Try some general maintenance things first. Check air filter and replace if necessary, clean throttle with throttle body cleaner, clean or replace Idle Air Control valve or Mass Air Flow sensor depending on which one your vehicle has also change fuel filter if have not done so in awhile add Lucas Fuel Injector cleaner to gas tank.

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