When I first set up the TBI it wasnt getting enough fuel to startup. I added a fuel pump that met Holley specs and installed it by following the instruction booklet word by word. It came with everything except the fuel pump was missing. I picked it up for a fraction of the cost of retail. My Holley Projection 4di was old dusty inventory from a local speed shop. I will back up and start from the beginning and hopefully someone can find a flaw in my set up (or learn from my set up trials). I have literally changed all the settings so that the computer shouldn't be sending any fuel at all, but it is still sending to much fuel.Īnyone out there with fuel injection knowledge that can toss me some suggestions would be greatly appreciated. I hooked up the computer and it's getting way to much fuel again. Today I need to move the car into long term storage and it wont start no matter what I try. It was idling at about 750 and it would drop when put in drive but reset itself back to idle (before all my adjustments it would sometimes stall when I put it into drive or reverse.) It would start up every time with just a click of the key (but the weather was in the high 60's). After making many adjustments it was running very good. It was getting too much fuel on startup but not enough fuel when on hard throttle under a load. It was hard starting and flooding but when I held the trottle wide open it would start. I spent several hours last week getting my Projection 4di fuel injection system to run.
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