1994 Chevrolet S-10 Blazer Logo
Anonymous Posted on Dec 13, 2008

My 94 blazer wont start

I got a 94 blazer and a 92 sonoma gt both with 4.3 vortec v-6 having samer problem with both started on the sonoma gt getting fire,changed feul pump,relay,battery,coil,distributur,whole dome,all sensors on dome,spider injector,still not starting

  • 1 more comment 
  • Anonymous Dec 13, 2008

    will start and stay running with starting fluid

  • Anonymous Dec 14, 2008

    also tried new computer

  • Anonymous Dec 14, 2008

    when it happened to the sonoma i bought the blazer shortly after i put all parts off the sonoma on the blazer and it started then put parts back then the blazer had same problem about 2 months after that

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  • Posted on Jan 30, 2009
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Joined: Jan 27, 2009
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I have the same problem with my 95 blazer I have heard that it is the fuel pressure regulator. That is the next part I will be replaceing.

Good luck to all.

If any one finds any thing out please let me know!

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My 2000 chevy blazer 4×4 4.3 vortec wont start after i changed map sensor. But i touched map wires together on misyake bcuz i didnt tape off bare wires yet... since then my blazer just wont start... it...

when you shorted the sensing wires together you have probably destroyed the map sensor. the car will not start, as it needs the barometric and manifold pressure. look in your owners manual for the fuses and check, You can google 20004 Chevy blazer fuse box location and diagrams. Why did you change the map sensor, did you have a failure code indicating a problem? quit throwing parts and money at it.



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Problems starting a 2000 Sonoma 4.3l vortec engine

It could be a bad fuel pump located usually under the rear of the vehicle on either passenger or driver side. Or you need to replace the fuel filter may be plugged up.

Good Luck!
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I have a chevy blazer 94 S10 still quit on the road.

How is it running before it quits onyou. This could be the culprit of an egr valve. How many miles on thevehicle. The egr seems to die on a certain mileage pattern. Also youcould start by cleaning the egr valve before replacing it. This couldvery well help the situation, but this is just a guess. Hope thishelps!!
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1999 chevy blazer wont start

THE FUEL PUMP IS BAD.

if your losing fuel pressure after the pump runs the drain back valve in the pump has failed.

and i doubt that you are seeing enough fuel pressure to run a vortec engine.

low fuel pressure equals a non running vortec
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