This type of automotive software modifies a vehicle’s engine control unit (ECU) to disable or bypass components related to emissions control systems. Specifically, it targets the Diesel Particulate Filter (DPF), Exhaust Gas Recirculation (EGR) valve, and Selective Catalytic Reduction (SCR) system, which typically uses AdBlue (Diesel Exhaust Fluid). For example, the software can be configured to prevent the DPF from regenerating, effectively removing the need for periodic filter cleaning or replacement.
The perceived benefits often include improved fuel economy, increased engine power, and reduced maintenance costs associated with the affected emissions control devices. Historically, the development and use of such software have been driven by concerns about the reliability and expense of maintaining complex emissions systems, particularly in older vehicles or those operating in demanding conditions. It’s important to acknowledge, however, that altering or removing these systems can have significant environmental and regulatory consequences.
