Fuel Not drawing from Passenger Side Tank

RJC said: ↑

The splitter valve or equalizer block whichever you want to call it, has 2 flappers inside it. Take one apart and you will see. If it hangs up then it will cause this problem. If you have replaced fuel lines and did not get both pick up lines the same size in length it will also cause this problem. If one of the return lines is swollen inside it will also cause this.

Get 2 empty jugs and disconnect return lines, put each one in a jug and start the truck and monitor the return flow, they should both be the same. Then if that is okay, shut the truck off, shut both valves off on the bottom of the tanks, disconnect the feed lines then open each valve one at a time and take notice of the flow out of each valve, they should be the same. If they are not then something is in the tank stopping up the flow of fuel.
Click to expand...

Th

RJC said: ↑

The splitter valve or equalizer block whichever you want to call it, has 2 flappers inside it. Take one apart and you will see. If it hangs up then it will cause this problem. If you have replaced fuel lines and did not get both pick up lines the same size in length it will also cause this problem. If one of the return lines is swollen inside it will also cause this.

Get 2 empty jugs and disconnect return lines, put each one in a jug and start the truck and monitor the return flow, they should both be the same. Then if that is okay, shut the truck off, shut both valves off on the bottom of the tanks, disconnect the feed lines then open each valve one at a time and take notice of the flow out of each valve, they should be the same. If they are not then something is in the tank stopping up the flow of fuel.
Click to expand...

His trucks splitter vakve/ equalizer valve does not have flappers inside. It is a simple hollow "T".
All the other info you supplied is correct.

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Fuel Not drawing from Passenger Side Tank

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