Question about 1995 GMC Yukon

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Have a 1995 gmc yukon 2dr i have change the fuel assmble the fuel pump the feed line and return line i have no power to the fuel pump anf help your be gratful ......

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On a NO Power to FUEL Pump Problem One Must ALWAYS Start from the Begining of the THAT CURCIUT, This Being the Fuse , Then The FUEL PUMP Relay , And Then WIRING , and LAST Is The PUMP Itself. Here is Info on the RELAY. rejakwilsoin @ aol.com < is my Email Address if you want More info Feel free to Contact me.

The Fuel Pump Relay is located in Underhood Fuse Relay Center. The Underhood Fuse Relay Center is located on the LH rear of engine compartment, on fender.


REMOVE OR DISCONNECT

  1. Protective cover.
  2. Retainer, if installed.
  3. Electrical connector.
  4. Relay by depressing bracket clip at rear of relay, or removing bolts from retaining bracket.
INSTALL OR CONNECT
  1. Relay.
  2. Electrical connector.
  3. Retainer.
  4. Protective cover.

Posted on Nov 02, 2009

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You need to replace the fuel relay located under the hood on the driver side by the brake booster on the fender

Posted on Nov 02, 2009

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1 Answer

My fuel pressure goes to 60 pounds when the keys is turned on then starts dropping Is it my fuel pump or pressure regulator? 2004 GMC Yukon XL


Fuel pressure may drop due to a leaking injector or bad check valve in the fuel pump itself. The regulator does not come into effect until the engine is running and a vacuum supply is produced to it. If the regulator is leaking internally, it could send fuel back to the tank as well. Prime the fuel line and pinch off the return line ( if possible ) to eliminate a regulator problem. If the fuel pressure drops with the return line pinched off, suspect a leaking injector or fuel pump. If injector is leaking, the vehicle should run rich and cause a hard start/rough run condition

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Will a 1995 jimmy 4.3 start if the feed fuel line and return line are switched.


The lines are different sizes and if you did... it would dead-head the pump and not start!

If you need further help, I’m available over the phone at https://www.6ya.com/expert/eric_5179db65226039e7

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Not getting any power to the fuel pump 1995 GMC Yukon 517 later


If you actually have NO power at the pump and the fuse and relay are good, then there is a break in the wire between the fuse block and the pump but most likely it is a bad fuel pump

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2004 gmc yukon....I have a strong gas smell coming from the driverside rear. Does anyone know what this could be, Nothing leaking????


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1 Answer

1995 gmc yukon i have change the fuel assmbliy


you can manually actuate the relay if you want. Take the cover off, and push the contact over with a screwdriver and see if you can hear the pump. Have you checked to see if there's power to the relay, both the control side and the side providing power to the pump? There's two different circuits involved here, so you have to make sure they're both ok. If you have power before the relay, and power coming out of the relay headed to to pump, then your problem falls between the relay and the pump. Other things to consider, are the fuel pressure sensor, and oil pressure sensor. Some vehicles will not turn the pump on if they sense no oil pressure after a couple of seconds. Secondly, if the fuel pressure sensor is telling the pump that there's plenty of pressure, (even if there's not) it'll shut the pump down. Hope this helps you.

Nov 07, 2009 | 1995 GMC Yukon

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Have a 98 yukon hard starting


FUEL PUMP HAS A BAD CHECK VALVE.FUEL WILL DRAIN BACK IN TANK .SOUND LIKE FUEL PUMP PROBLEMS.

Sep 10, 2009 | 1998 GMC Yukon

2 Answers

Cuts out when accelerating


Did you change the fuel filter? also did you clean the inside of the MAF sensor w/ MAF spray cleaner?

Oct 29, 2008 | 1995 GMC Yukon

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