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97 yukon fuel pump

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chrisj
New User
chrisj profile image

Nov 1, 2007, 3:35 PM

Post #1 of 6 (2629 views)
97 yukon fuel pump Sign In
I have a 1997 Yukon w/5.7 that will not start, it is not getting fuel I checked the relay it is ok but before I can check the fuel pump it starts this has happened three times.

What do you think what is there other than the pump that can cause that??

Will a fuel work on and off ??


DrElectrics
Enthusiast
DrElectrics profile image

Nov 1, 2007, 4:02 PM

Post #2 of 6 (2626 views)
post icon Re: 97 yukon fuel pump Sign In
It does sound like the fuel pump, but it may also be your fuel filter. Change that, its less expensive and a little easier. If that dont work, you know where you stand.


chrisj
New User
chrisj profile image

Nov 1, 2007, 4:23 PM

Post #3 of 6 (2624 views)
Re: 97 yukon fuel pump Sign In
I will replace the fuel filter and check the old one for debris, but the filter is not that old. the problem occurs after the truck has been sitting, at least so far not when driving do you think a fuel filter would restrict the flow more after driving not after sitting overnight ??

thank you for your help


way2old
Veteran / Moderator
way2old profile image

Nov 1, 2007, 4:37 PM

Post #4 of 6 (2622 views)
Re: 97 yukon fuel pump Sign In
Next time it does not start, turn the ignition to the "on" position for 2 or 3 seconds. Turn key off, then back on for 2 or 3 seconds. Turn key off and back on for 2 or 3 seconds then try to start. If it starts normally then, the check valve in fuel pump is starting to fail. That means fuel pump is in your future.



Being way2old is why I need help from younger minds


DrElectrics
Enthusiast
DrElectrics profile image

Nov 1, 2007, 4:57 PM

Post #5 of 6 (2620 views)
post icon Re: 97 yukon fuel pump Sign In
No worries mate, hope it pans out for you.


chrisj
New User
chrisj profile image

Nov 1, 2007, 6:08 PM

Post #6 of 6 (2612 views)
Re: 97 yukon fuel pump Sign In
thank you for your help !!





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