Lift Pump Dead at 71k Replacement vs In Tank Pump
#21
ok so a week later, had the new airdog 100 installed, truck test drove fine everything checked out, fuel pressure is good, injector pump is good. But, truck died again at 1/4 tank of fuel, doing same thing it did the first time. Are there any issues with the stock fuel pickup at 1/4 tank and under? having truck towed to my house/garage. where do i start?
#23
#25
#26
Crack the fuel supply fitting to the VP44.
Turn key to the run position, then just bump the starter with the key. Return the key to the run position.
The pump will run for approximately 20 seconds. Repeat if necessary until pure fuel is coming out of the fitting you cracked, then tighten fitting.
Do this one more time to force fuel into the VP44, and out the return line.
Turn key to the run position, then just bump the starter with the key. Return the key to the run position.
The pump will run for approximately 20 seconds. Repeat if necessary until pure fuel is coming out of the fitting you cracked, then tighten fitting.
Do this one more time to force fuel into the VP44, and out the return line.
#27
#28
I've yet to see one adjusted or repaired. It's a replace item. If I were to replace it, this is what I would go with:
Modified liberty fuel module
Modified liberty fuel module
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