I'd have to use a fuel pressure gage and check fuel pressure. Don't know of specific test for regulator. My info says filter/regulator assembly on top of fuel pump module.
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Thursday, October 14th, 2010 AT 6:23 PM
JACOBANDNICKOLAS
MECHANIC
109,885 POSTS
Come to think of it, that is correct on dodge. THe regulator is on the top of the fuel tank.