Mechanics

GMC SIERRA FLOOR PROBLEM

1997 GMC Sierra • 228,000 miles

Recently replaced fuel sending unit and fuel filter fuel pump runs constantly now and vehicle bogs when u floor it then runs fine when u let up on gas pedal
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Guest
December 30, 2012.



What is the actual fuel pressure?

Check the cat converter back pressure as well.

Roy

ASEMaster6371
Dec 30, 2012.