please help truck bucks on highway between 1500-2k rpm

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01-20-2015, 08:16 PM

#11

miran587

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Quote:

Originally Posted by Doug06fx4screw

Wrong! Faulty coils often DO NOT set a fault code.

the ones ive replaced through a code is there a way to test them . are after market coils any good

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01-21-2015, 06:08 AM

#12

techrep

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suggest OEM COP’s but if you need to go aftermarket use Accel COP’s and make sure you order the 3V ones..

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