air regulator

I know the forums are quiet this time of year but I am back at work on my DI rebuild that started in Sept 2019. Long story short, installed a new engine and was breaking it in and things were going well. It had an occasional miss but ran good otherwise. On the first WOT run it went like crazy...

hi, i have an XPDI 2003, since i got it i have had problems getting any speed before the warning lamp comes on and goes into limp mode. i have been working through the manual and found that the Fuel pressure before cranking is 24/25 PSI which is ok, but when cranking it only reaches about 60psi...