spiking fuel pressure
in 912 / 914 Technical Questions
6 years ago
after installing a new 912ul with the new fuel pump , i have been experiencing spiking fuel pressure as high as 7psi momentarily but mostly between 5 and 6psi. happens more often at throttle back. i haven't installed a fuel return , wondering if that has anything to do with the spiking . was never an issue with the old style pump .
