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1996 GMC Jimmy Repair Question


Topics covered: Fuel pressure, Fuel filter, Fuel pump.
Mileage: 250,000 miles.

Asked on May 3, 2012

I have a 96 GMC Jimmy 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

Replaced fuel tank fuel filter fuel pump. complete tune up
Avatar Asked by donnie7

Answer

Replied on May 3, 2012

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

Tiny Answered by rasmataz
68 questions asked
Replied on May 4, 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 Response from donnie7
5 questions asked
Replied on May 4, 2012

If the injectors are pulsing it should be injecting fuel into the cylinders-you sure its not clogged-

Tiny Answered by rasmataz
68 questions asked

Replied on May 4, 2012

ALL injectors should have constant power when the key is on. What is the fuel pressure?

Tiny Answered by Wrenchtech (expert)
14,749 answers provided