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Old 10-05-2018, 08:21 PM   #5
diveplane
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Join Date: Nov 2016
Location: Tulsa
Posts: 418
Re: 1990 4.3 hesitating

Quote:
Originally Posted by bad69 View Post
Thanks for the info. Cleaned or replaced all ground straps, still having issue. Only starts after it comes off cold idle and under load. SMH
when u say underload general driving? take off from start.

sounds like a weak spark did u replace plugs cables? could be a ignition coil going out weak output.
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