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Ron Z.
Ron Z., - Auto Tech -
Category: Car
Satisfied Customers: 17794
Experience:  18+yrs. experience diagnostics & repair of all makes/models.
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engine misfire on #1 cylinder,was intermittent,have replaced

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engine misfire on #1 cylinder,was intermittent,have replaced plugs,wires,coil pack.Noticed fire weak coming from #1 post of coil pack
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Can you give me the year, make, model and engine size of this vehicle?

Customer: replied 3 years ago.

2005 chrysler town&country 3.3v6

Great! Thanks!

Ok, if there is weak spark coming from coil #1, first thing to check is the electrical connector and wire harness to the coil. Look for any loose, broken or damaged wires that may be rubbed-through (the dark-blue/dark-green wire is for coil #1). If the wires look ok, temporarily replace the ASD Relay with another from the box with the same numbers, and re-check spark. If it is still weak, the problem may lie in the PCM itself.
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