The temperature sensor (not the Temp gauge sensor) if it has a faulty reading can cause the EFi to give fuel issues. I am not familiar with the flapper system but I think the temperature sensor should be located on top of the manifold near the plenum.

Last edited by britmog; 07/02/22 03:53 PM.
Bruce
1964 4/4 Series V Comp (Megan)
1994 +8 (Maurice)
2013 M3W (Olga)