Diesel Engines

A twin-filter fuel polishing system like the Filter Boss (left) supplements other fuel management practices to prevent contamination.

Dealing with Bad Diesel

About this time of year, many of our readers will experience a gradual loss of engine power, maybe even a complete shut down. They’ll pull the filters and find them so clogged you’d think the last fill-up was a spinach smoothie.

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More Diesel Engines

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