Hot Start Issue / Flooding

[FRED]

Nope, don't recommend replacing the ECU. Suggesting flooding RX are what RETED mentioned in his post above. Also low compression RX will flood easily when hot for the same reason I mentioned in my post above.

During START there is a preprogrammed fuel map dependent on the water temp, rpm and seeing the Start signal. This fuel map is too rich for a car with low compression when the engine is hot.

I was suggesting keeping the ECU from seeing this Start fuel map and doing that by eliminating the Start signal that goes to the ECU from the start elect circuit. And you'd do this by depinning one wire at the ECU plug.

A more common fix is to just make a fuel cut switch and toggeling it on/off to cut the fuel during the start of the car...............to keep too much fuel being delivered during......start.

Attached is a page out of a old training manual that is online, and this page explains better than I tried to, how fuel is delivered during START of the car.

Not using the internal start fuel map means the afm is used for fuel amount during Start and that amount is much, much, much less than what the internal fuel map delivers during Start.