METClean: The Professional Solution for Off-Vehicle DPF Restoration
What is METClean DPF Cleaning? METClean is an advanced off-vehicle restoration system that utilizes a high-pressure hydro-pneumatic pulse to remove 99% of soot and ash from Diesel Particulate Filters. Unlike chemical on-car cleans, METClean targets the deep-seated ash deposits that cause permanent flow restriction, restoring filters to near-original equipment manufacturer (OEM) efficiency levels within a controlled workshop environment.
Advanced Hydro-Pneumatic Restoration Technology
In the modern workshop, “on-car” chemical cleans often fail because they only target combustible soot, leaving behind non-combustible ash. METClean solutions are engineered to solve the “Ash Limit” problem. By removing the DPF and placing it in a METClean machine, technicians utilize a proprietary blend of heated aqueous solution and timed air pulses. This creates a kinetic “flush” effect that dislodges hardened ash from the honeycomb ceramic substrate—something impossible to achieve while the filter is still attached to the vehicle.
As experts who operate a high-volume UK HQ workshop and support over 800 agents globally, Mobile Eco Tuning has refined the METClean workflow to ensure maximum Information Gain for the technician. Every cycle provides tangible data, allowing you to prove the efficacy of the clean to the end customer through documented pressure differential improvements.
99% Ash Removal
Targets non-combustible calcium and phosphorus deposits that standard regenerations and chemical flushes cannot move.
Diagnostic Verification
Integrated back-pressure testing allows for “Before and After” reporting, confirming the restoration of the airflow path.
Rapid ROI
Turn a failing £1,500+ DPF into a functional unit in under 60 minutes, providing a high-margin service for workshops.
Technical Analysis: Why Off-Vehicle Cleaning is Essential
Longtail diagnostic queries often ask: “Can a blocked DPF be cleaned if it won’t regenerate?” The answer depends on the core temperature and the nature of the blockage. When a DPF reaches its maximum ash capacity, back-pressure increases, leading to higher Exhaust Gas Temperatures (EGTs) and potential turbocharger failure. METClean machines intervene by utilizing the Flash Cleaning Method. This thermodynamic process uses the density of water and the speed of air to safely “push” out the core blockages without the risk of thermal shock or cracking the delicate cordierite or silicon carbide cells.
Technical Specifications & Kit Contents
| Feature | Requirement / Detail |
|---|---|
| Cleaning Medium | Heated Aqueous Solution + Pneumatic Pulse |
| Max Filter Size | Passenger, LCV, and Heavy Duty (Truck/Bus) |
| Test Capability | Dynamic Back-Pressure Testing (mbar) |
| Drying Cycle | High-temp Integrated Forced Air Drying |
| Filtration System | Multi-stage Stainless Steel Sludge Filters |
Before committing to a cleaning cycle, always perform a visual inspection of the DPF core using an endoscope. If you see signs of “melting” or “cell collapse” (often caused by upstream fuel injector failure or over-fueling), the filter is structurally compromised. METClean is the world’s best restoration tool for blocked filters, but no machine can fix a melted core. We use this exact protocol daily at our UK HQ to ensure we never waste a customer’s time or money on a physically damaged unit.






