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95 blazer absolutely wont start

  #1  
Old 04-08-2014, 06:09 AM
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Default 95 blazer absolutely wont start

I have replaced the fuel pump, fuel filter, crank sensor, rotor button, injector, dis. Cap, ignition control module,i have removed the upper intake to make sure the solenoid on the injector is working and also made sure every injector is pushing fuel. Its firing but it still will not start. Has anyone ever ran into this problem on a 4.3 or does anyone have any suggestions on what may be causing this.it happened all of a sudden. Rode it around in the snow one day, the next day it wouldnt start.
 
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Old 04-08-2014, 10:05 AM
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Did you check fuel pressure?
Was the spark a nice blue color? Not yellow.
Have all the items above been changed since the snow ride, so that the engine has never started since?
 
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Old 04-08-2014, 12:09 PM
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I put the parts on after the snow but i did notice earlier that the spark was yellowish which is now leading me to believe its a bad coil.
 
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Old 04-08-2014, 02:55 PM
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Were the dist cap and rotor Delco parts? As you might have read on here the 4.3 engine seems to like only Delco parts, others fail pretty quickly. I do not think coils are that expensive so perhaps try a new one.
Also check to make sure all connections are good and that the plug wires on the distributor are correct....246 and 153 or is it 315...now I am not sure!
 
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