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Home >> Chevrolet >> 2020 >> Express 2500 LS, 6.0L Eng VIN G >> Repair and Diagnosis >> External Pages >> Different car >> Section 94 (Engine Controls And Fuel - 2.8L (LWN) Diesel - Diagnostic Information And Procedures (3 Of 3)) >> Diagnostic Information and Procedures >> Contaminants-in-Diesel Exhaust Fluid Diagnosis >> Description

Contaminants-in-Diesel Exhaust Fluid Diagnosis: Description

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Maximum oxides of nitrogen (NOx) reduction efficiency of the selective catalyst reduction system requires the supply of diesel exhaust fluid (reductant). Consisting of a mixture of urea and deionized water, fresh reductant should be clear in color with an ammonia smell. Reductant designed for selective catalyst reduction systems should carry one or more of the following international certifications:

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