Don't let a blocked DPF filter cost you thousands. DPF filters blocking generally arise where city driving, excessive idling or light duty cycles are encountered. Or, if other engine components such as EGR valves, turbochargers, injectors are fouled or not working properly. DPF regeneration cycles then become more frequent, and more prolonged! And more serious! DPF's often need replacing at a cost of $5,000-$10,000, and in some cases, are not covered under new vehicle warranty! Excessive regens can dramatically reduce engine life, as it causes your engine oil to become heavily diluted with diesel fuel. The solution is to assist [...]