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2000 Chevy S-10 fuel pump

Tiny
AVP1963
  • MEMBER
  • 2000 CHEVROLET S-10
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 160,000 MILES
Truck starts fine, when first starting its not smooth, then when driving all good, then I will be driving for a while come to a stop, I start going its sounds sluggish slow untill it gets to 35 mph then sounds good. Also when I get to 50 mph getting a high humming sound dont know where its coming from will reach 65mph and the humming sound not as loud.I did replace bearings in front and rotors. Where can I get a gauge to check fuel pump
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Saturday, September 4th, 2010 AT 12:43 PM

1 Reply

Tiny
MERLIN2021
  • MECHANIC
  • 17,250 POSTS
https://www.2carpros.com/car_repair_video/test_fuel_injection_pressure.htm
Go here and checkout our video.
Humming sounds can also be bearings at the wheels or differential. Fuel pressure should be about 66psi
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Saturday, September 4th, 2010 AT 12:51 PM

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