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Discussion Starter #1
so I changed the intake and ever since I have had a cyl 4 missfire code so far i have traded plug wires with no luck . i checked for leaks with propane did not find any . car seems to miss worst under load .any help would be apericiated(?) thanks in advance
 

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The Parts Guy
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Is this on a 4.6L or the 3.8L SC that you have under your screenname?

If it's a 4.6L, have you blown out the spark plug holes with compressed air to make sure there isn't any moisture/coolant in them (especially on cylinder #4)?

-Rod
 

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Discussion Starter #3
no mousture but oil on plug replaced plug and cleaned wire missfire is gone now thanks Russell btw it was the 4.6
 
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