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Determines fuel quality to easily identify the sources of potential problems before damage occurs.
4-in-1 Diesel Fuel Contamination Test Swabs test for: bad fuel (fuel oxidation), water contamination, rust and scale, sludge and asphaltenes.
Attach swab to extendable probe.
Submerge swab into fuel tank until touches lowest point at bottom of tank. Brush tank bottom several times with swab.
Remove swab; let dry from 2-3 minutes (do not exceed 3 minutes).
Compare to diesel fuel & tank test charts.
Store sealed test kit in a cool, dry place out of direct sunlight. Shelf life is one year from first opening.