Still pointing to a regulator that can not provide enough pressure. Can you duplicate the problem without using the grill. Only running everything else that used LP in the rig?
Could be the regulator is not up to the flow rate you are requiring.
2011 351RLTS Eagle, Mor/Ryde suspension & pin box
06 F350 Lariat PSD, SRW, LB, CC, EGR delete kit, 16K DrawTite hitch, Timbrens, TST TPMS
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