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code 357, #7 coil

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Old Oct 1, 2005 | 10:34 AM
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DBL001
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From: New Jersey
Default code 357, #7 coil

I have an 01 vert, mn6, no mechanical mods. I can start the car cold and drive 3 hours if I want without a problem, the problem starts if I shut the car down for a short period, when I restart the check engine light comes on and it runs rough until it heats all the way up again, most of the time the light will turn off at this time or it runs very smooth and I turn the car off and restart right away and everything is normal. I brought the car to the mechanic and he said it threw a code 357 which means the #7 coil, he replaced it for $165 and later that day it did the same thing, it's obviously going back to him but do you guys have any ideas?
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