Just found out that we have 2 fuel regulators for our engine. 1 near to fan, the other at rear near manifold. Any bros or sis know what is the purpose of the 2nd one? The one at the rear near manifold? Thanks.

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[HEADING=1]Nissan Skyline Serial Numbers[/HEADING]
R32
FR32 Nissan Skyline GXi, GXi X (CA18I engine 1800 cc, FR)
HR32...