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COP question

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Old 03-29-2010, 12:00 PM
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Last night I was driving and the CEL flashed pulled P0300 and P0307 random misfire and misfire #7.

Has anyone changed the boot and spring on the coil or should I just replace the assembly all together? I haven't removed and inspected them yet but it's just a curious question
 
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Old 03-29-2010, 01:59 PM
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Before you replace anything. First pull the coil covers off as well as several coils and boots. Do NOT pull any spark plugs. Now inspect carefully for oil and water in the plug wells. You have a 2002 it is well known to have leaky valve cover gaskets. To avoid multiple repairs I would seriously consider changing both valve cover gaskets, all 8 spark plug well gaskets and all 8 coils and boots. Change the plugs while you have it apart too!

Many people have tried to just replace a coil or two and you will be fighting a losing battle. Unless you are repairing the car for resale do it correctly so you can drive without worry!!
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Old 03-29-2010, 02:15 PM
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+1

But as well, if you do find any signs of water then it's likely getting under the cowl so seal that up properly.
 
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Old 03-29-2010, 03:40 PM
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That should be a fun weekend job
 
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Old 03-30-2010, 06:11 AM
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Originally Posted by jagv8

seal that up properly.

Sorry buddy, are you refering to silicone and rubber baseboard molding from Homie D?

Theres your sign Jeff!!!!!!!!!
 
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Old 03-30-2010, 09:16 AM
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Originally Posted by joycesjag
sorry buddy, are you refering to silicone and rubber baseboard molding from homie d?

Theres your sign jeff!!!!!!!!!
aaahhhhhhhhhh!
 
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