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1995 GMC Yukon fuel pump

Tiny
ARWSR1961
  • MEMBER
  • 1995 GMC YUKON
  • V8
  • 4WD
  • AUTOMATIC
  • 164,200 MILES
I has a gas leak in the fuel assmbly I replace it I also replaces the fuel pump I had to cut the feed line and return line I replace them both put the gas tank back hooked up the wiring for the fuel pump I tried to stat it it will crank but wont start any help
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Monday, November 2nd, 2009 AT 5:29 PM

8 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Do you have any fuel leak anywhere if not check the fuel pressure if its within specs if okay check the injectors for pulse if okay look for spark, report back your findings and testing results
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Monday, November 2nd, 2009 AT 5:45 PM
Tiny
ARWSR1961
  • MEMBER
  • 5 POSTS
I have no fuel leak and there no gas comming thur they system I dont think that the pump turing on at this time and how do I check the line prsurer.
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Monday, November 2nd, 2009 AT 6:22 PM
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
What type of fuel system do you have?
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Monday, November 2nd, 2009 AT 6:29 PM
Tiny
ARWSR1961
  • MEMBER
  • 5 POSTS
I have gas and what happen was the on the top of assble unit the line cracked and I replaced the assble and fuel pump becuse I was there the feed line and return line were so rootted that I has to order new line to replace them and now there no gas comming thur the system cant get power top the pump I have just change the fuse in the fuse box becuse it didnt look right I replaced the relay and still no gas to the system. Thank for the help
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Tuesday, November 3rd, 2009 AT 7:10 AM
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Direct battery power to the gray wire on the fuel pump connector-did it come on-if so check the fuse and fuel pump relay
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Tuesday, November 3rd, 2009 AT 12:07 PM
Tiny
ARWSR1961
  • MEMBER
  • 5 POSTS
WHAY YOU ARE SAYING IS RUN A HOT LEAD FROM THE BATTRY TO THE GRAY WIRE ON THE FUEL PUMP AND IF THE FUEL PUMP TURN ON THEN IT EITHER THE FUSE OR THE RELAY WILL THE TRUCK START FROM THERE IF I TURN THE KEY ON
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Tuesday, November 3rd, 2009 AT 12:34 PM
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Should start up if the fuel pumper is producing the correct fuel pressure
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Tuesday, November 3rd, 2009 AT 12:36 PM
Tiny
ARWSR1961
  • MEMBER
  • 5 POSTS
WILL TRY IT WHEN I GET HOME TONIGHT WILL LET YOU KNOW IN THE AM THANK YOU FOR THE INFO.
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Tuesday, November 3rd, 2009 AT 12:40 PM

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