misfire on my 1998 GMC pu. 1500 , 5.0
my truck just all the sudden started running ruff , the code reads random misfire .
as I am driving the service engine light flashes . was running fine before
Check your spark plug gap. And regap accordingly.
Sounds more like an ignition module or coil issue
it wouldn"tstart it running ruff and wants to shut off
Oh yes it could
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