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
Looking for a Used Sierra 1500 in your area?
CarGurus has 56,906 nationwide Sierra 1500 listings starting at $2,300.
Search GMC Sierra 1500 Questions
GMC Sierra 1500 Experts