I have a 93 chevy s-10 blazer. Every so often it

1989 Chevy blazer 4.3 won't start..I have ... - CarGurus

www.cargurus.com > Questions > Chevrolet > BlazerCarGurusJan 30, 2013 - 96 Chevy S10 Blazer with 4.3 L engine vortex will turn over but won'tstart. ... i a 93 k5 blazer 5.7tbi in cold weather it will not start, if i hook jumper ... was told it just needed a Fuel pump, I replaced the Fuel pump, and the Filter, ...

Visit the on-line store, known as reliable-store, they have the repair manuals. I'm sure you will get the solution of your problem.
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Try changing out the crank position sensor if this sensor is bad it doesnt send the signal to the computer telling it you are trying to start the engine and the computer controls fuel flow at the injectors if it doesnt recieve this signal from the crank position sensor you will never get it started good luck and let me know if this fixed your problem thanks.

Check the wireing to the pump they had problems with it it tended to over heat and corroad there is a service bulliton on the prroblem #25215705and a kit with new wires and connector to resist over heating Icould give you the kit # but i got a DELPHI pump and the connector dosn;t fit a chevy pump

JUST REMEMBER THE BASICS,COMP./SPARK/FUEL,IF ONES MISSING ,NO CRANK

with the shifting lever there are bushings, you just need to replace them.

Transfer case module causes this, first disconnect battery then wait 1 min reconnect and try 4 high should work till you can get a trained tech to fix.

Yes it will run, if it is identical as you told us, and you will have no problem with the safety switch, your only concern now should be the gear ratio of the 93 chevy Blazer.

you need a computer from a1996 .. 93-94-95 used a diffrent injection pump

sounds like fuel delivery, sometimes check valve in fuel pump will quit working and fuel will drain back into tank, or pin hole in one of fuel lines, check fuel pressure