1991 Chevrolet S-10 Logo
Posted on Jul 11, 2010
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1991 chevrolet S10 throtle body. I changed fuel pumps and now I am not getting fuel to come out of the injectors. I am getting fuel to the throtle body, but it stopes there.

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Jonah Oneal

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  • Chevrolet Master 14,092 Answers
  • Posted on Jul 11, 2010
Jonah Oneal
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CHECK FUEL INJECTORS USING NOID LIGHTS.DISCONNECT FUEL INJECTOR ELECTRICAL CONNECTORS HOOK NOID LIGHT TO SEE IF IT BLINKS IF YES GOOD. STEADY LIGHT MEANS PCM DRIVER CIRCUIT FAILURE MEANS A FAULTY PCM. NO LIGHTS COULD BE FUEL INJECTOR FUSE BLOWED OR SHORT IN INJECTORS WIRES TO CONNECTOR BAD PCM ALSO.

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  • Posted on Jul 11, 2010
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Have you checked the fuel pressure at the fuel rail with a gauge it should be about 40 psi.

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Ronny Bennett Sr.

Ronny Bennett Sr.

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  • Chevrolet Master 6,988 Answers
  • Posted on Jul 11, 2010
Ronny Bennett Sr.
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Replace the pick up coil in the distributor.

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