7 Signs Your DPF Is Failing

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Home / Learn / <h1>7 signs your DPF needs attention</h1> <ol class="steps"><li>DPF warning light or derate. The ECM has seen backpressure or soot load it doesn't like.</li><li>Regens getting more frequent. The filter is filling faster than it burns clean.</li><li>Loss of power and fuel economy. High backpressure makes the engine work harder.</li><li>Black smoke or soot at the tailpipe. Possible cracked substrate letting soot through.</li><li>Strong exhaust smell or heat around the DPF. Check for leaks and housing damage.</li><li>Sensor faults that won't clear. Pressure or temperature sensors, or damaged ports.</li><li>Fault codes after cleaning. If it plugs again quickly, the filter may be damaged.</li></ol> Start with a <a href="/dpf-cleaning/">DPF cleaning shop</a>. If it can't be saved, <a href="/dpf/">find your Elite replacement</a>.

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