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Old 11-13-2017, 07:59 AM
jrs14855 jrs14855 is offline
 
Join Date: Apr 2008
Location: Lake Havasu City AZ
Posts: 2,005
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The most likely possibility is that one spark plug wire is not properly inserted into the distributor cap OR that the contact spring on the end of the wire was damaged. Pull off the cover that holds the plug wires and take a look.
I disagree with cross firing, most likely that would involve two cylinders and a lot of shaking/backfiring, as well as low EGT on two cylinders when the other ignition is switched off.
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