93 5.7l V8 No Start?

[NATIVEKINGS]

My 1993 Silverado Ext Cab....5.7l Tbi V8 C1500 Pick-up Never Gave Me Any Trouble Until Just Recently. I Was Getting Gas Because I Was Running On Fumes And Put In About 5 Gallons.started It Up For A Few Seconds Pulled Up To Get Cigarettes And Turned It Off For A Few Minutes. Then When I Was Going To Leave It Wouldn't Start. Just Turned. I Kept Trying Until It Drained The Battery.got A Jump And Still Wouldn't Start.put Starter Fluid In And It Kicked Over For A Few Seconds Then Died.left It There For A Few Days Then Had It Towed Back To My House.then Just For Giggles I Thought I'd Try And Start It And It Did.drove Around The Block A Few Times Then Turned It Off.started It A Few Times To See If It Would Keep Starting And It Did. Later That Night I Wanted To Go Somewhere And Was Cuttoff Because It Wouldn't Start.this Time It Only Turned A Few Times Before The Battery Was Drained.i Have No One To Give Me A Jump And No Ride To The Store Damnit!!!!!ha Ha Ha.can Any One Tell Me What To Do Or Know Whats Wrong?

[roadrunner_70]

My first guess would be the fuel pump. If you hook up a fuel pressure gauge to it when it won't start, that should give you a starting point. Also, check the relay, oil pressure sending unit, ignition module and check for spark, before replacing the pump. If your engine has the TBI system, I think your fuel pressure should be between 9-13PSI. Of course, you just need to turn the key with the gauge attached, to see it come up. After a few seconds the pump shuts off.

[NATIVEKINGS]

I Don't Have A Pressure Gauge,is There Any Other Way To Test It?i Do Here A Click When I Turn The Key.is That The Relay?

[blue4X4]

I agree, fuel pump. I just replaced mine, as it was acting very simular, with a Delphi Brand from O'reiley's. Delphi is what GM uses. Was about $50.00, replace filter when you change pump. Took me about two hours to drop the tank and replace it. Gm wanted $320.00 to do it and there pumps are $80.00. I put an off brand pump in just 6 months ago, so get the Delphi pump the first time. Good luck!

[NATIVEKINGS]

Ok I'll Try It.but Is There A Way To Change The Pump Without Dropping The Tank?

[2000CAYukon]

Originally Posted by NATIVEKINGS

Ok I'll Try It.but Is There A Way To Change The Pump Without Dropping The Tank?

You can remove the bed to replace the pump, but you will need a couple of friends to lift it off.

//2000CAYukon

[NATIVEKINGS]

How Do I Take The Bed Off? How Many Bolts And Wires Are There Attached To The Bed?

[broughy84]

6 or 8 bolts, I think 8. Get some PB Blaster to spray those bolts, or they will be a bastard. Then just undo the fuel tank nozzle and ground wire, and unplug the wiring harness behind the bumper and undo the ground wire, you are set to go my friend!