Thread: Black metallic looking stuff in fuel pump filter & sump

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Over time, contaminants from water and condensation can get rancid and form a sludge looking muck. Odd that it's only in the pump.

Originally Posted by Scrubline

Over time, contaminants from water and condensation can get rancid and form a sludge looking muck. Odd that it's only in the pump.

that's what I said but he said he can look in the tank from side to side & see's nothing like whats in the filter/etc anywhere else in the tank. We both just wonder what the hell could have caused it..