1993 gmc sierra will not start no spark no fuel

30

Asked by Dec 23, 2015 at 05:47 AM about the 1993 GMC Sierra 1500 K1500 4WD Standard Cab Stepside SB

Question type: Maintenance & Repair

truck cut off with wife a few days ago,thought it had run a little hot changed thermostat,and ect sensor with no change,removed battery to charge,and changed temp.gauge sensor just for the heck of it.installed battery and truck started.drove the truck for about 1 hour and cut off again.replaced oil pressure sending unit and truck started and ran less than a minute and cut off. more info-- several weeks ago replaced intake manifold gasket,flushed radiator and engine,replaced egr valve,map sensor,rebuilt tbi,replaced vacuum lines,new plugs wires,plugs,dist. cap and rotor.changed oil and filter. drove truck for weeks no problem and I am not getting a trouble code.HELP

3 Answers

25

hi does it crank over ???? tell me more of condition

30

cranks fine,gas pump is working gas to tbi none from injectors.no fire from coil,12 volts from 2 wire connector from coil to dist. replaced coil anyway and had the ignition module tested,tested it 3 times module is good.tested pick up coil resistance, good at 850 ohms.guess I'll just start all over and test all sensors that I can,feel like something has locked it out but like I said before,,, no code... thanks for any help ( will have to wait till after Christmas) Merry Christmas!!

3 of 3 people found this helpful.
20

I have a 1994 gmc sierra 1500 4.3 engine I have spark from

2 of 2 people found this helpful.

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