Originally Posted by a2aa

If you put the ignition key on "ON"- right before you start it, That is the loadmode, Pressure in the hoses are in the highest. When you start the car, injectores start letting the fuel in the chamber, the pressure equalizes.

My sister in law's car had the same issue. It wouldn't leak when the engine is running- but when you put it on Load mode, you see a small squirt of fuel comming out from a pinhole. As soon as you start the engine, it quits. Worth the try. Good luck