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Well, your assuming your fuel line is clogged due to dirt, rust, debris, etc.. Sometimes when you run your tank empty, a weak fuel pump is not able to pull fuel from the tank.
My suggestion before replacing anything is to do the following:
1. Place a clean bucket or catch can below your fuel pump. (this is to catch fuel that should drain from your main fuel line)
2. Using a pair of vise grips or hose crimping pliers, crimp the rubber fuel line than connect between your fuel pump and main fuel line.
3. Disconnect the rubber fuel line at the fuel pump inlet side and direct the rubber hose towards the bucket or catch can. Release the vise grips/hose crimping pliers. If fuel flows from the rubber line and is a steady stream you most likely do not have a clogged fuel line. If it does not, go to step 4
4. With one person directing the rubber hose towards the bucket or catch can, have another person apply air pressure to your fuel tank. Do this by using a common compressed air nozzle with a shop rag wrapped around it and blow compressed air in the fuel filler neck of your fuel tank. You want to seal the compressed air as much as possible at the filler neck with the shop rag. Using a shop rag allows compressed air to escape so that you don't over pressurize your tank or line.
5. Fuel should flow from your rubber fuel hose. If so, crimp the rubber fuel line again with vise grips or hose crimping pliers.
6. Reinstall the rubber fuel line back to the fuel pump inlet side and remove the vise grips or hose crimping pliers.
Poor a couple ounces of fuel in your carburetor vent tube(s) (to fill your fuel bowl(s) and wipe down/ remove any excess fuel that you spilled while performing the above as well as move the bucket or catch can you used away from your car and any possible open flame.
Your car should start right up.
If you were not able to get much fuel to flow from the rubber hose, you do have a clogged fuel line issue.
My suggestion before replacing anything is to do the following:
1. Place a clean bucket or catch can below your fuel pump. (this is to catch fuel that should drain from your main fuel line)
2. Using a pair of vise grips or hose crimping pliers, crimp the rubber fuel line than connect between your fuel pump and main fuel line.
3. Disconnect the rubber fuel line at the fuel pump inlet side and direct the rubber hose towards the bucket or catch can. Release the vise grips/hose crimping pliers. If fuel flows from the rubber line and is a steady stream you most likely do not have a clogged fuel line. If it does not, go to step 4
4. With one person directing the rubber hose towards the bucket or catch can, have another person apply air pressure to your fuel tank. Do this by using a common compressed air nozzle with a shop rag wrapped around it and blow compressed air in the fuel filler neck of your fuel tank. You want to seal the compressed air as much as possible at the filler neck with the shop rag. Using a shop rag allows compressed air to escape so that you don't over pressurize your tank or line.
5. Fuel should flow from your rubber fuel hose. If so, crimp the rubber fuel line again with vise grips or hose crimping pliers.
6. Reinstall the rubber fuel line back to the fuel pump inlet side and remove the vise grips or hose crimping pliers.
Poor a couple ounces of fuel in your carburetor vent tube(s) (to fill your fuel bowl(s) and wipe down/ remove any excess fuel that you spilled while performing the above as well as move the bucket or catch can you used away from your car and any possible open flame.
Your car should start right up.
If you were not able to get much fuel to flow from the rubber hose, you do have a clogged fuel line issue.
