I have a 94 s10 blazer. it has the 4.3 vortec.

so i started it up one day and it started right up. it idled fine for a bit then just died. hit the key and it wont turn over..... i turned the engine back some and then hit the key and it turned over till it hit the same point and then stoped...

any ideas what it could be??

help please!!!!

 

Pull your plugs starting with cylinder #6 (passenger rear). Report with what you find.

 

Pulled all the plugs and they seem fine

 

Maybe a piece in the distributor cap broke? That dont explain why it died after running though. It would just run rough, wouldnt it?

 

Ok, so no fuel poured out which is a good thing. Is your oil level excessively high and does it smell like fuel?

 

Figured it out! Pulled the plenum and a fuel line cracked and was sprayin fuel into one of the ports. I pulled the plugs again and tried canning it and fuel pored out of the spark plug hole and now it cranks over again. All I need to do to fix it is get a new line.
Than for the help!

 

Get the "nut kit" (as it is commonly referred to as) replaced and you should be good to go!