Thread: Bad Walbro?

OK So I got everything ready to go on my car. Tried to start it and the most im getting is 20psi from the pump on prime. Even when I try to start it it barley passes 20psi. But sometimes I can get close to 43psi and the car will run ok but like its out of gas. Anyone had this problem before?

Also when I hit the gas after I get it runnnig itll rev up but then itll just sputter out. Wideband is reading strait up lean. Everything on the car ran perfect before.

Did you do the wiring fix? I just read about a B13 fuel pump wiring fix on this forum.

link?

what is the pump voltage. this issue happens when the stock fuel pump relay is going bad. I always wire a 40amp relay before the pump to provide constant voltage.

Bosch 044 > walbro 255

I would really not worry about it until the car is running.

I had a huge fiasco myself when I put in a FPG and tried 4 different fpr's and none of them would hold pressure.

It turned out there was a little air in the lines and after the engine ran for 1minute everything was perfect.

You cannot hurt the motor if you idle it lean.

Dudeman

I know. But the motor only runs one minute and then it doesnt run longer. Where the fuel pump relay?

feed and return line reversed?

the stock one is located with the fuse box under the dash.

If that was the case it wouldn't start at all. I ran into that problem.

Do you have the correct pump?