Mechanics

I HAVE A 96 4X4 4.3L CSEFI I HAVE FUEL TO THE FUEL METER BODY BUT WILL NOT START.. I HAVE RECENTLY REPLACED THE FUEL TANK ,, FUEL PUMP,, FUEL FILTER,, COMPLETE TUNE UP ,,SPARK PLUGS,, WIRES,, DISTRIBUTOR CAP AND ROTOR..BEFORE I DID ALL THIS I WE

1996 GMC Jimmy • 250,000 miles

Replaced fuel tank fuel filter fuel pump. Complete tune up
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Donnie7
May 3, 2012.



Check if the injectors are pulsing and also if the fuel pressure is within specs-

Rasmataz
May 3, 2012.
Fuel pressure is damn near perfect and I have pulsing in all the injectors but 2 have constant power with ignition on and they pulse when motor is cranked still wont start. I replaced the crank shaft sensor earlier today as well

Tiny
Donnie7
May 4, 2012.
If the injectors are pulsing it should be injecting fuel into the cylinders-you sure its not clogged-

Rasmataz
May 4, 2012.
ALL injectors should have constant power when the key is on. What is the fuel pressure?

Wrenchtech
May 4, 2012.