Causes and Symptoms of Black, White and Blue Diesel Exhaust Smoke
If You See Smoke: Say Something! Apart from the faint white exhaust smoke that comes from the tailpipe in cold temperatures, you should not see smoke of any colour from a post-2007 diesel engine. Your DOC, DPF and, depending on your truck model, your SCR system, filter your exhaust stream. The aftertreatment system removes toxic […]