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Change the coil. Period. Very easy to remove from the vehicle if it's a 4 cyl. Follow that spark plug wire from the spark plug to the other end. What it's attached to you should replace.

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โˆ™ 2005-12-09 20:43:08
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Q: Your 2001 Saturn SL1 will not pass emissions testing because it has a cylinder one misfire you tried changing the plugs and wires but to no avail Please help?
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