cm2250 derate

[solo_shooter_]

Okay, I replaced the tappets and plungers, re-tightened all fuel connector nuts and performed the leak down test. I started the test out at 28,906 psi, at the 30 second mark I was down to 9,050 psi and at 60 seconds I was down to 4,983 psi. So I am aware that there is a severe leak somewhere inside this fuel system but not sure where to go next. Possibly a bad injector? Or a cracked head?