fuel pressure drop

[grkgn]

hey guys i have a stalling issue LAST YEAR I PUT A WALBRO AND AN AFPR CAR WAS FINE TOOK IT OUT IN MARCH CAR SALLED ON ME WHEN IT GOT HOT I PUT IT BACK IN THE GARAGE AND DIIDNT START MESSING WITH IT UNTIL RECENTLY I PUT THE HOT WIRE KIT DIDNT MAKE A DIFFERENCE THEN I BOUGHT ANOTHER WALBRO THINKIN THAT THE OTHER ONE WAS DEFRCTIVE IT WAS A LOT BETTER BECUASE THE CAR WAS HOLDING BACK POWER NOW IT HAS POWER BUT STILL STALLS ONCE IN A WHILE BUT STARTS RIGHT UP BEFORE IT WOULDNT ALWAYS START UP RIGHT AWAY NEEDED A COUPLE OF MINUTES YESTERDAY I NOTICED THAT WHEN U SHUT OFF THE ENGINE THE FUEL PRESSUSE GOES TO ZERO NOW I KNOW THAT WHEN U SHUT OFF THE CAR IT SHOULD HOLD ABOUT 10 PSI FOR ABOUT 5 MINUTES OR SO COULD IT BE A DEFECTIVE FPR OR SOMETHING WITH THE RETURN LINES?

 

[Quiky One]

PLEASE DONT TYPE IN CAPS AND USE PUNCTUATION. THANKS

We need more info on the car. Injectors? Chip? What are you scantool numbers showing? BLM? ect.

My guess is a bad injector is causing this. It sounds like one is stuck open causing it to bleed down real fast. Are they the stock injectors?

Jason