I bought a 72 Skylark that had been sitting since 93. I wasn't getting fuel to carb so disconnected fuel line at fuel pump coming from tank and had no gas in line. Are my fuel lines gunked up? Bad fuel pump? Planning on shooting air from compressor through line..
remove the fuel pump, place it in a vise, put the feed line in a fuel can and "pump" the lever by hand if you have an old (working) electric in-line fuel pump laying around: place it in the fuel line where youve disconnected the mechanical fuel pump and check if you have flow
I'm not getting gas from fuel tank to fuel pump. Should that flow freely or does fuel pump create vacuum to pull gas from tank?
The person I bought it from said got it to run.. and I'm assuming he put few gallons in to try. Not sure if that worked or he got fuel to it somehow else. And I also put a few gallons in. So assuming fresh gas. But no gas in line from tank to pump so assuming blocked line or bad fuel pump/flat cam. Was wondering if I could just put gas can with tube to inlet on fuel pump and see if its pulling gas..?
yes, but why not remove the fuel pump like i said in my first reply and bench test it in a vise? you can even "gravity feed" fuel to the fuel line on the carburator, just to start the engine if the fuel pump is in working order, fuel should squirt from the disconnected fuel line
I can give it a try. Just thought seeing if it was pulling gas from a water bottle would be quicker and easier. Ill take a look at it this weekend. I would like to see if it will run though.. I'll try to gravity feed some fuel in but I'm guessing I'll need a another fitting with piece of hose and funnel? Thx
you can always start by pouring gas into the carburator, or use brake cleaner / start pilot to see if it will fire up did you check for sparks?
Try replacing the hoses that connect the fuel lines to the pump and back at the tank. They can get old and crack, causing the pump to suck air, essentially losing the vacuum it needs to suck the fuel through the lines.
Yes, checked spark, spark looks ok. Probably could be better. Ditrubtor is junky. Gave it a quick clean but going to clean points again better before trying again. Bought new hei distributor but wanted to see if I could get it running with old one first. I did try starter fluid.. sounded like it wanted to start but sputtered out after few seconds like it wasn't getting enough gas. Sprayed a good amount in. Got a small backfire. Was going to try getting gas in carb manually and see if that makes a difference..? Thx
If you did not try it,put some starting gas [fluid ] into the carb,while a buddy starts the car,Do that 2-3 times and if the fuel pump is good,you will have gas to the carb.Always remember not to squirt fluid into it while you are starting the car.In other words,put fluid into the carb,then try to start the car.Bruno.
Will do. Gonna get under it this weekend and take a look. Line into fuel pump looked ok.. see what the rest looks like soon. Thx!
Ok. Ya I had someone spraying as I was starting car. Sounded like it wanted to start. But never got gas.. so maybe bad fuel pump..? Would filling bowl with gas be something I should try? Thx!
There is a bowl vent at the top of the carburetor. Just use a squirt bottle to fill the bowl through the vent. If the engine starts, and the pump is good, it should continue to run. It is not unusual for there to be no fuel in the line from the tank if the engine has not run in awhile.
My car has been sitting since October last year. Would start but not keep running, did the air in the fuel tank and found a crack in the fuel line. Put a piece of rubber tubing over the split and fired it up. I already have new fuel lines, just never got round to replacing them. Car goes into the shop Monday.
