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1996 Chevrolet S-10 Fuel Pump

Tiny
MILO862
  • MEMBER
  • 1996 CHEVROLET S-10
  • 2.2L
  • 4 CYL
  • 2WD
  • MANUAL
I have replaced the fuel pump and the pump is still not pumping gas to the injectors. It has fire going to the pump, but still there is no gas to throttle. What else could be wrong?
Sunday, October 19th, 2014 AT 1:35 PM

1 Reply

Tiny
JDL
  • MECHANIC
  • 16,098 POSTS
Use a gage and check fuel pressure. If no Schrader valve on fuel rail to check fuel pressure, have to tee into supply line. The may be special adapters for this procedure. If fuel pressure is good, move on. Are you missing anything besides fuel? Engine cranking, do you have spark at the spark plugs? If no spark and no injector pulse, have to check for rpm signal, comes from crank sensor.

Any applicable trouble codes?

If you want, you can check voltage and ground at fuel injector, engine cranking.
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Sunday, October 19th, 2014 AT 2:01 PM

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