Question about 1993 Saturn SC2

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1993 Saturn sc2 stutters and backfires accerlerating

Have a 93 Saturn SC2 TOHC. Idles fine but stutters and backfires when accerlerating at speed. also has had overheating problem. Have chnged Thermostat, Fuel and air filter, cooling system presure cap, and cleaned throttle body. If this was an older car I would suspect Spark advance vacume or timming. But none of these adjustments are available on this car.

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  • Tony Tony
    Tony Tony Jan 02, 2012

    if it stutters spits and backfires until get to speed then runs fine at cruise ,you may have a bad cat convertor

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  • 186 Answers

Check to see it th chain guides are worn. this can cause a retarded or advance on timing. Also do a compression check if you can, this will show that the valves are opening and closing on time. Run some injection cleaner through it first as a sticky injector could also be an issue.

Posted on Aug 02, 2009

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1 Answer

1993 Saturn SC2 will not crank, but tries to turn over?


You are saying the engine cranks but does not start, right ?
Does it sound like it has compression ? If not could be a broken timing belt.

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The radio must be turned off to set the clock. Then push the small set button and go up or down with the radio search buttons.

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1 Answer

97 saturn sc2


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3 Answers

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Open the hood if it says efiohc or single cam on the valve cover then it is a sc1 if it says dohc or twin cam than it is an sc2

Jul 08, 2008 | 1993 Saturn SC2

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