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Old 06-30-2013, 11:30 AM   #3
P.S.
Senior Member
 
Join Date: Jul 2012
Location: California
Posts: 1,696
Default Re: Misfiring and backfiring when engine is warm

Sounds like bad condenser or coil to me. "Brand new" condensers have been known to be bad right out of the package, frequently. I test condensers on the bench before installing in the car. About 1 out of 3 do not meet my criteria to be a "good" one.
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