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23 Posts
Discussion Starter · #1 ·
Good Morning,

I replaced injector 4 last night and now the truck will crank but not start.
I have good battery voltage, ficm power ficm sync, not building Icp 50psi, ipr shut 85%...

STC fitting updated, IPR updated, all gauges were good right before injector change. New valve cover gasket, crankcase breather o ring was torn..

Stand pipe leak?
Missed Torque spec?
Air pocket?
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