steven121

iTrader: (27)

I just installed a 255 walbro fuel pump

my afrs are really lean, the motor struggles to idle, it worked earlier really well but doesnt seem to want to keep the car running? I was boosting all day long on the stock pump and wanted to tune tonight with the new pump

I am 100% sure I installed it right and did many fuel pump swaps...

is the pump going bad I guess? I had it in my room for nearly a year without any use until today, and i bought it used

hiboost2.0

iTrader: (15)

Check the fuel pressure at the fuel rail and compare it to the stock specification.

4RETECH

iTrader: (86)

yeah, might be. check volume and pressure.

But most likely the pump since it has been used and sitting for a year. Seals dry out. If it was even a pump that ran E85, your lucky it spins, they usually seize up after a month.