Question about 1999 Saturn SL

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98 saturn sw starting rough

Have a 98 saturn sw wagon(102000 mi) that has all of a sudden begun to start rough. Had the fuel filter replaced and was fine for only a few days. Took it back in (had to have it towed even) and the fuel pump was replaced. A few days later, the same problem so now another new fuel filter. Now, a few days later same problem. Obvious question is, what could be wrong and is this a common problem with these types of vehicles? Do we need to dump this car?

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Sounds like you have trash in your gas tank.have you put any new gas in it if yes when?your tank needs to flushed out then chnge your fuel filter agian.jkyjkyjason@aol.com

Posted on Jul 27, 2009

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Believe it or not...I have seen these kinds of things happen because of the Coolant temp sensor. It tells the PCM that the engine is cold so it strengthens the fuel delivery and mixture...Its an easy and cheep fix...9 or ten dollars for the sensor and a little for the antifreez. Make sure the engine is cool before trying this. The sensor on a1.9l is located on the right side of the head just above the trasaxle bell housing...it should have a two wire connector...be careful no to over tighten, the sensor is BRASS and the head is ALUMINUM!!

Posted on Jul 26, 2009

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Clogged fuel injectors
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If this problem started "suddenly," then the fuel pump might be the culprit.
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Brandonlo168,

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Ron

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