Question about 1999 Chevrolet Camaro

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1999 camero isnt getting power to fuel pump have changed the relay.

Have power to relay port but none back at the pump

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  • 141 Answers

You need to check the relay for both power on the control side and the switched side you should get a 2 second pulse from the ecm when the key is turned on to activate the relay (this is the control side of the relay) and once a rpm signal is received the relay is activated if no power on the control side check ecm fuses if no power on the switched side check fuel pump fuse if power is at fuses suspect open circuit in junction box also supply a gnd to relay to see if it will activate this will tell you witch side of the relay you are working on also look on top or side of the relay usually there is a diagram telling you what is what

Posted on Dec 06, 2012

Testimonial: "love this guy. made it possible for a grandma and her 18 yrs old grandson to fix the car. great site-great expert. happy holidays"

  • John Doe Dec 06, 2012

    You can,t Explain anything in a simple manour, Can you? That they will understrand,

  • Brian Johnson Dec 06, 2012

    while you and i know how simple it is they will make many rookie mistakes like thinking the pump is getting power because one wire at the relay has power

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  • 256 Answers

Take a test light end check that there is ower comeing though the wires, There could be a break in one of the wires going to it,

Posted on Dec 06, 2012

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Posted on Jan 02, 2017

BigBlue77
  • 59 Answers

SOURCE: 1999 chevrolet malibu

The fuel pump relay only energizes for 2 seconds when you turn the key on. It re-energizes once the pcm detects engine rpm. What you are seeing may be the normal operation of the system.

If the vehicle still won't start or the fuel pump dosen't run you will have to trace the wiring from the relay to the pump and check your grounds.

Posted on Aug 26, 2008

ga_drifter
  • 36 Answers

SOURCE: 99 silverrado chngd fuel pump n still no start no noise from pump

im not sure of the color wires that should be powered but have you checked the fuel pump relay under the hood? also check that you have a good ground at the pump dont check just the positive voltage check for negative (ground) also

Posted on Jan 28, 2009

daves944
  • 1050 Answers

SOURCE: no power to fuel pump.

Don't forget to check for a good ground at the pump, I've seen this problem pay for a new fuel pump more than once.

Posted on Mar 11, 2009

localwonder
  • 6784 Answers

SOURCE: no power at fuel pump chev.S-10 looking for fuel pump relay and fuse

The fuel pump relay is located Under hood, driver side, upper firewall, mounted in relay block.

The fuse is located under the instrument panel to the left of the steering column. The fuse block should be visible from underneath the steering column, near the pedal bracket. If the panel is not visible, check for a removable compartment door or trim panel which may be used on later models to hide the block.



Posted on Jun 03, 2009

  • 1 Answer

SOURCE: 1996 chevy tahoe fuel system

i am having the same problem with my 96 pickup i am getting low voltage to my fuel pump i have traced the wires back to the front the purpel wire is the one with low voltage i replaced fuel pump also fuel relay and still have low voltage

Posted on Jun 22, 2009

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Sometimes a crankshaft sensor does not send the signal to fire either the spark or the fuel injectors. If the fuel pump relay is not getting power, the inertia sensor will not have power either. The inertia reset is just magnetic and does not depend on having power to reset.

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My 2001 v6 camero aint geting any gas it cranks up i changed the filter im praying its not the pump is there any thing i can check before i try a new pump


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