car shuts off while driving
50

Asked by marcdchicago Nov 03, 2016 at 10:08 PM about the 2001 Saab 9-3 SE Convertible

Question type: Maintenance & Repair

I've got a 2001 93 convertible with just under 100k on it, recently it started
running really rough and will intermittently shut off while driving on the
highway and if I drop it into neutral it immediately restarts but will
occassionally continue to shut off at no specific interval..any ideas??

5 Answers
50

marcdchicago answered 8 years ago

yes it's turbo but the turbo seems fine, it runs fine on acceleration just really rough when idle and like I said this is all of a sudden..I'm kind of getting a feeling that it's some electrical issue??any thoughts?

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175

AutoLA answered 8 years ago

I had a 'sputter'' issue and then a stall with my saab 93 aero. it was when i was around 1/4 tank of gas, i upgraded to high grade 89 gas from 76 station and never go much below 1/2 tank and no more sputter. increase the gas grade may help. a correct air/fuel ratio is important also. Idle speed is set correctly? and maybe change out the spark plugs. if any of these are lacking the engine may stall. i find turbo needs good gas. oh the other thing is turbo eats oil so make sure your oil is always filled and more often change oil.

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5,165

Stephen answered 8 years ago

direct injection cassette - DIC might be failing.

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GuruBSTSN answered 5 years ago

The car idles fine. Changed the cassette less than a year ago. I have always used premium gas since I've had it. Per your suggestion, maybe it's time for a tune up. Oil level is checked at least twice a week. Thanks for your help.

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