Mobile DPF Cleaning Melbourne — we fix why it blocked, not just clean it

Why your DPF keeps blocking (and why a regen alone won't fix it)

Your engine constantly produces soot. The DPF burns it off by itself ("regeneration") when the exhaust gets hot enough on a decent drive. Short trips and stop-start city driving never get it hot enough — so soot builds up. The car keeps trying to regenerate, but if it can't keep up, the filter fills until the ECU decides it's no longer safe to burn off — and that's when you get limp mode and the lights.

Here's the key: at 6 years / ~100,000 km, normal soot loading shouldn't block a DPF that fast. Most of the time there's an underlying problem — an intake leak, a faulty DPF pressure sensor, a coolant/thermostat issue stopping the engine reaching temperature, or auto stop/start cutting regens short. Clean it without fixing that, and it'll block again — usually faster.

Why you should never just "force" a regen

Once the filter is heavily clogged, the ECU stops regeneration on purpose — to protect your engine. Forcing it past that limit can spike the DPF temperature and damage the filter, turbo or cylinders — potentially a total engine failure. A heavily blocked DPF must be cleaned first, then regenerated.

Our process

1. Scan and read all fault codes (including ones other shops clear).
2. Diagnose the real cause — smoke test + live sensor and DPF data.
3. Two-stage chemical clean with the FlexFuel Carbon X3 — no removal, on your driveway.
4. Prove the car can regenerate on its own again.

Clean vs replace

A genuine DPF replacement runs $1,500–$6,000+ (more on European cars). A clean restores a sound filter for far less and keeps you emissions-legal. We don't do DPF deletes — they're illegal on Australian roads.

Got the light on right now? Do this:

• Stop driving — limp mode is there to get you somewhere safe, not to keep driving on.
• If a mechanic looks at it, ask them not to clear the codes (or to record them first) — those codes help us find the real cause.
• Call us first — if the DPF light is on, it's our specialty.

From $800, mobile across Melbourne. Pay by card, cash or bank transfer. Backed by our guarantee.