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Before you replace it, get a proper diagnosis and clean from a mobile DPF specialist.
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We come to you the same day, diagnose the real cause, and tell you honestly whether your DPF can be saved.
DPF Warning Light, Limp Mode or Told You Need a New DPF?
Also known as an Exhaust filter or Diesel Particulate Filter
Same or Next day mobile service in Plymouth, Bodmin, Launceston, Okehampton, Exeter & surrounding areas
What happens first
1. Full diagnostics report, check back pressure, and soot loading of DPF
2. Honest explanation of options and cost
​3. Clean, perform regeneration, and road test
We diagnose first, clean properly, and confirm results with live data and back pressure checks so you know exactly where you stand.
This is not a quick code clear or pour in additive
Backed by 20 years of professional engine experience
Same or Next day mobile service in Plymouth, Bodmin, Launceston, Okehampton, Exeter & surrounding areas
What is a DPF?
A DPF (Diesel Particulate Filter) traps soot from your exhaust.
When it blocks, the car loses power or goes into limp mode.
- not every dpf can be cleaned on the vehicle
if its too full of ash we can offer a recondition which will render your dpf like new.
once we've removed the dpf and inspected it, if its damaged (in rare cases), we'll tell you before you waste your money, and we can replace it
Why diagnostics come first
• Confirms if cleaning will actually work
• Avoids unnecessary DPF replacement
• Identifies sensors or engine issues causing repeat blockages
- not every dpf can be cleaned on the vehicle
if its too full of ash we can offer a recondition which will render your dpf like new.
once we've removed the dpf and inspected it, if its damaged (in rare cases), we'll tell you before you waste your money, and we can replace it
Why diagnostics come first
• Confirms if cleaning will actually work
• Avoids unnecessary DPF replacement
• Identifies sensors or engine issues causing repeat blockages
What is a DPF?
A DPF (Diesel Particulate Filter) traps soot from your exhaust.
When it blocks, the car loses power or goes into limp mode.
This service is for diesel drivers who are dealing with:
DPF warning lights or RED DPF FULL
Limp mode or loss of power
Failed or upcoming MOT due to emissions
Being told they “need a new DPF”
A quote that feels expensive or uncertain
If you’re stressed, unsure who to trust, or just want the safest next step before replacement, this is for you.
Our Approach
Diagnosis first, not guesswork
We check live data, soot and ash levels, fault codes, pipework, and confirm back pressure manually before any cleaning is done.
Honest advice
If a DPF is too far gone, we’ll tell you. No false promises, no pushing work that won’t last.
Proper confirmation
After cleaning, we recheck readings and confirm the result so you’re not left wondering if it actually worked.
Mobile and fast
We cover Plymouth, Bodmin, Launceston, Okehampton, Exeter & surrounding areas, usually same or next day.
What Results to Expect
If the DPF is blocked with soot/ash and mileage is reasonable, cleaning is very often successful.
If soot/ash levels are high or mileage is pushing the limit, we’ll explain the situation clearly and talk through your options before you spend more money.
We guarantee the DPF is clean when we’re done.
We don’t guarantee it won’t block again, because that depends on the vehicle, not just the DPF.
That honesty is exactly why people call us
COMMON QUESTIONS
Will this work on every DPF?
No. Not every DPF can be saved, and we’ll tell you if yours can’t.
Do you still charge if it can’t be cleaned?
Do you just clear codes?
No. Codes are cleared only after the underlying issue is addressed and readings confirm the result.
TerraClean DPF Cleaning:
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