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Old 08-11-2018, 05:50 PM   #14
Sudsy
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Join Date: Mar 2017
Location: Mechanicsville, Md.
Posts: 487
Default Hi Failurre Items

I have read a lot about the Chevy 8.1 V8. The ignition failures are most commonly the wires. Next in line are the plugs. I don't much mention of changing coils and I would never buy a 10 pack for an 8 cylinder motor.



So.


Pull the #4 plug and look at it. It may or may not show problem. You could swap the #3 and #4 plugs and wires and see if the problem follows. Easiest would be to swap the plug wires between the cylinders.


THESE ARE NOT AT ALL LIKE THE FORD V10 COILS


Given the age and low mileage I suspect a set of wires will do it.



Sudsy
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