5.3 died, wont fire

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87lsxgmc

Member
Joined
Oct 31, 2013
Posts
37
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1
Location
buffalo
First Name
Paul
Truck Year
1987
Truck Model
2500
Engine Size
5.3
ok ls guys, i can hear the fuel pump, itl sputter on ether, so i kno i have spark, the only thing i can think of is the fuel pressure regulator?? all the vacuum lines going to it are in tact. HELP!!!
 

87lsxgmc

Member
Joined
Oct 31, 2013
Posts
37
Reaction score
1
Location
buffalo
First Name
Paul
Truck Year
1987
Truck Model
2500
Engine Size
5.3
so i took the fuel line apart, the pump comes on, but not pumping any fuel. thats a first for me i thought they either turned on, and worked or were burned out. oh well
 

flyboy1100

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May 23, 2014
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Location
UsA
First Name
me
Truck Year
1986
Truck Model
k1500
Engine Size
305, 700r4??, 3.42 gears
not a fuel pump, but the washer pump on my truck turned on and sounded like it was working, but nothing would come out either.
 

scottybaccus

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Aug 17, 2014
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Location
Central Texas
First Name
Scotty
Truck Year
1987
Truck Model
GMC R1500
Engine Size
6.0
The vanes burn up if they run dry too long.
 

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