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The sensors that thread into the FPR are prone to leak especially the fuel restriction sensor. When I changed my fuel pump I re-threaded everything on the FPR with Permatex high temp thread sealant. So far dry as a bone.
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1997 F-350 PSD RC LB 4WD E4OD - Plant Drive SVO kit
1984 Mercedes Euro 300D NA - Custom two-tank SVO
Using WVO and biodiesel since May 2006
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