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04 chevy 6.6l diesel duramax

getting air between fuel pump and fuel filter after changing fuel filter housing what to do?

Make sure the seal is good, follow the procedure for bleeding the line. A shop manual will be your friend here.

we have tried your suggestion still nothing when we continue to try start the security won’t let us don’t know sequence…we need help and don’t have manual
or access to parts stranded on the baja… need to get back home w/truck

If the security won’t let you, your PassKey system has an error.