I change fuel pump ,fuel rail,turbo solenoid,fuel filter,drain fuel and fill new diesel
If it is a common rail diesel then the pressure in the return line would burst it as the line is not capable of 25.000 psi
so the return line will have low pressure if it is blocked some where
have the injectors tested as there may be a tip seat problem that prevents it from starting and the compression pressure is making the pressure in the return line past the needle
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