Should stay clean. one are to check is around the PCV Flapper. it can leak onto the top of the VC. the way is angled, it will drip to the back of the VC then round its way to the passenger rear side just over the bank 2 manifold or drip down the O2 wires.
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Mods related to trouble shooting posts: Stock Turbos, MHD OTS V7 stage 2+ 93 oct, VRSF Downpipes, VRSF Relocated inlets, CTS Turbo 7" Intercooler, Tial BOV with upgraded line 5.56mm, index 12 injectors, A/T OEM Flash.
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