My truck starts but dies a few second later

Vincent Vallely

Asked by Oct 01, 2016 at 01:57 PM about the 1993 GMC Sierra 1500 C1500 SLE Extended Cab LB

Question type: Maintenance & Repair

I have a 1993 Gmc Sierra 1500, it has about
278,000 km on it. It had died on the side of the
road, I think I had heard sounded like a backfire
and than had a lack of power . It started to sound
like it was about to stall out so I pulled it over and
turned it buy before I was able it sounded like
grinding gears like when you get when stalls. It
towed home, I than checked the engine. I found
one spark plug wire of , with the inner lower ring
the keeps it placed to be broken. I replaced all
wires and spark plugs, ( I had missed up the firing
sequence the first time  so it didn't start). I also
replaced the pcv because I noticed to connector
was cracked. After fixing the wire order and
replaced the pcv it starts but dies out. The battery
is good , but yesterday when I went out to work on
it the battery was dead and was not wanting to
charge on the truck. The truck starts but sounds
like there isn't enough combustion and dies in 10
seconds. I am going to get a ignition system tester
to see if the spark is reaching all the wires but
does anyone have any what's wrong with it. Fuel
pump kicks on , the fuel injector spray but not sure
at right pressure and just throwing out there that
there is an oil leak hence a broken pcv.

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