Chevrolet Silverado 1500 / 2500 / 3500:

engine miss

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# 1  12/7/2011 8:03 PM

New member
Registered: 12/7/2011
Posts: 1

engine miss

91 350 tbi misses under load why?



# 2  12/10/2011 12:54 PM

Registered: 11/24/2009
Posts: 1305

Re: engine miss

It sounds like it could be a secondary ignition issue like a bad spark plug, ignition wire, cap or rotor.

Check for any codes in the computer memory and repair any that may come up. The computer scanner and an oscilloscope can help diagnosis the problem. A digital volt ohm meter can help with the diagnosis.
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