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Codes p304 and p307

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  #1  
Old 06-22-2013, 01:53 PM
parkerlander's Avatar
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Default Codes p304 and p307

Came up with the codes above for cylinder 4 and cylinder 7 misfire.
I know these are run off the same coil. no prior misfires on this 1999 disco 11 with about 150k on it. no know history if plugs and wires have been changed since the guy I bought it from, about 10 months ago, was clueless.
Had done the seafoam induction a few months ago and has been running great.
This just came on out of no where so am leaning towards a bad coil. What do you think?
Thanks,,,,,,
 
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Old 06-22-2013, 06:36 PM
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Leave the coils alone till you install new 8 mm silicone wires and good plugs.
By the way, what color are your plug wires?
 
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Old 06-23-2013, 09:24 AM
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OK, wires are black and stamped 7mm hi-temp and something like "radio interference" mostly rubbed off.........thanks
 
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