1999 Saturn SL Logo
Posted on Aug 21, 2008
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1999 SL1 running rough

Car starts, but chugs bad at higher speeds, also rpms are high. We've changed the spark plugs and wires. Could it be the fuel filter? Any suggestions would be great. Sharon

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  • Anonymous Aug 27, 2008

    I have 1999 Saturn SL1, when idling and in "drive" the engine is ruff and appears to want to die. I seems the engine is not getting enough fuel. Also during this time I noticed the LED display on the radio is flicking. The engine idles at 700-800 rpms.

    If put in "park" or "neutral" the engine will idle okay a little ruff and at time the rpms tend to fluctuate from 700-1100 rpms and settles at 700-900 rpms. (a/c is off)

    Car does tend to **** forward as the accelerator is depress. Runs nice once the car is moving.

    The plugs & wires have been changed out about a 1.5 yrs ago. Injectors were cleaned out by mechanic about 4-5 months ago. Air filter is clean.

    Thanks

    Jack

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  • Posted on Mar 07, 2009
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Had a similar problem; started fine but lost power under acceleration and would stall. I changed the fuel sensor relay in the fuse box located on passenger side of interior fuse box. Ran fine after that.

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  • Posted on Jan 11, 2009
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I DONT KNOW FOR SURE BUT I WOULD REPLACE THE M.A.S. AND THE 02 SENSORS. (IF MONEY IS AN ISSUE TRY CLEANING THE M.A.S FIRST)

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