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  #1  
Old 08-11-2006, 01:22 PM
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Headnsouth Headnsouth is offline
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Misfire when engine is warm

98 Transport with 160k the engine runs fine when it starts but after it warms up it'll misfire. Codes tell its cyl #1 pulled the plug (ugh) and it looks fine. So I'm suspecting a coil pack. Wires are less than a year old.
Any ideas? Suggestions? Anyway to test a coil pack?
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Old 08-14-2006, 07:39 AM
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Re: Misfire when engine is warm

Tested the coil pack with an OHM meter 5K-7K ohms across the secondary side. Mine was 6K but I suspected that it would pass, the engine runs fine until warmed up. Swapped out the coil pack for cyl 1-5 $20 and that fixed it.
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