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tune up help

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Old 06-30-2008, 07:40 PM
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Default tune up help

About two weeks ago i changed out the spark plug and wires. I set the gaps as per the specs. Before i was getting 27 mpg, now I am getting around 20.
Any help as to why.
Old 06-30-2008, 08:37 PM
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.... check to make sure you didnt crack a plug. check the wires for connection. go back to the old wires. set the car on fire......... has it been unusaually hot since the "tune up" ?




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