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On occasion my feul guage will max out and drop to the full side , and when i turn the key to igniotion i can hear a screming noise from the injector pump or it sounds like . my lift pump is working fine after time it will fix itself and fuel will read on my guage agian screaming will cease and truck startds and runs fine . Now the truck has done this and it will not correct itself all i hear is scream form pump area and no fuel to injectors becuase of this

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  • Michael Neve
    Michael Neve Nov 20, 2013

    Thx guys . my Truck is a ^.5 ltr turbo deisel 1995 model .new lift pump and oil pressure switch is bypassed allready Im puzzled buy this high pitched humming that im hearing from around injection pump area and how that ties in with my feul guage being blown out to maximum. has anyone run into this before . Im new to deisel Engines and really appriciate your time and advice Thx

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  • 87 Answers

Change fuil pump

Posted on Nov 20, 2013

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Posted on Jan 02, 2017

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csmock132
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SOURCE: dodge cummins won't start, fuel reaching injector pump but no fuel coming out of injector pump.

You said you have fuel flowing from the inlet line of the injection pump? But not at the injector lines?

Posted on May 05, 2009

  • 31 Answers

SOURCE: 85 s-10 2.5l no fuel from the injectors

electronic engine control unit calculates the mass of fuel to inject, not how wide it sprays. It's the type of solenoid that you use. Some have wider spray nzzles than others. An external Fuel pump helps the delivery of the fuel. Also since fuel injectors rely on mass air flows nowadays, you have to have proper mixture coming through. hows your Fuel pressure regulator?

The throttle position sensor reports to the computer the position of the throttle butterfly valve, which the ECM uses to calculate the load upon the engine-but inorder for this to run, you may need an external pump.

Sounds like nothing is being grounded back to the ECM to even give a reading. If your regulator is improper and you do not have a external pump (depending on your model), than check those. If not, Start from scratch.

If you ever lose your way, go back to the beginning_REWIRE!

Goodluck.

Posted on Feb 16, 2009

  • 60 Answers

SOURCE: Beeping Noise & Fuel guage not reading accurately

Could it be your back up sensor going off that is making the sonar sound?

Posted on Feb 27, 2009

  • 7 Answers

SOURCE: 90 k1500 tbi no fuel from injectors

from the sounds of it its going to be one of 3 things 1) the injector is bad or 2) there is no power getting to the injector 3) bad relay switch.

1) to find out if the injector is good. pull the injector out and with some wire ground one side and touch the other side to your battery, every time you tap the wire to the bat you should here the injector click..

2) if injector is good get a test light and test to see if power is coming out of the wires that go to injector( on some vehicles you have to have the motor turning over befor power is sent through wire, so have someone turn the key while you check the wires with test light)

Posted on Aug 15, 2009

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SOURCE: 90 chevy k1500 350 tbi fuel problem starts but wont stay running

try bypassing the oil pressure switch on the back of the block behind the distributor, if there oil pressure switch goes bad it will do this. had one that drove me nuts trying to fix it then figured out I had to buy a book and low and behold thee it was 3 wire oil pressure switch you can't see between the engine and fire wall just behind the distributor and costs 8 bucks to buy new.

Posted on Jan 16, 2010

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