1989 Chev Corsica Hesitating - Fuel System

Question: When driving down the road the car will hesitate. Like fuel has been cut off all together. Sometimes this happens when is starts, when its cold, and when its warm. If I let off of the gas the car comes back to an idle and if I let it idle, after a few minutes it will run again. I have repalced the fuel pump, fuel filter, fuel regulator, o2 sensor, map sensor, computer, and about ever air sensor possible because I was told my fuel to air mixture was off. None of which has worked, could It be the injectors? That would be the only thing left I can think of. Please Help Tom

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Technican: Tom, I think you are on the right track with the injectors, but not in the way that you think. The injectors are controlled directly from the computer. To verify that you are getting proper pulse from the computer you will need to get a tool called a "noid" they are available from any tool place like Autozone or Napa and they only cost about 15.00. They plug into the injector connection (the one that connects to the injector). Also inspect the connections and the wires for breaks. If you are getting faulty injector pulse you have to replace the computer or the injector harness. This is not hard to fix, you just need some patience. . Al

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