DPF Cleaning & Regeneration
Diesel Particulate Filter Cleaning, Regeneration & Repair
A blocked DPF (Diesel Particulate Filter) is one of the most common and expensive problems affecting modern diesel vehicles. Before you consider an expensive DPF replacement, speak to JLR Autocare. Our technicians can perform forced regenerations, chemical cleaning, and diagnostics to restore your DPF — often saving you hundreds or even thousands of pounds compared to a new unit.
Diesel particulate filters trap soot particles from the exhaust. Under normal driving conditions, the vehicle performs automatic regeneration — burning off accumulated soot at high temperature. However, frequent short journeys, urban driving, and faulty sensors can prevent this regeneration from completing, leading to a blocked DPF and a warning light on your dashboard.
Our first step is always a thorough diagnostic assessment. We measure DPF soot loading, check pressure differential sensors, inspect temperature sensors, and review the regeneration history. This tells us whether the DPF can be cleaned or whether there's an underlying fault preventing regeneration.
For moderately blocked DPFs, we perform a forced regeneration using manufacturer-level diagnostic equipment. For heavily blocked filters, we use professional chemical cleaning solutions that dissolve accumulated soot and ash deposits without removing the DPF from the vehicle.
Crucially, we always investigate why the DPF became blocked in the first place. Common causes include faulty pressure sensors, failed temperature sensors, EGR valve faults, turbo issues, or injector problems. Fixing the root cause prevents the DPF from blocking again after cleaning.
What's Included
Forced DPF regeneration using diagnostic equipment
Chemical DPF cleaning for heavily blocked filters
DPF pressure sensor testing and replacement
DPF temperature sensor diagnostics
DPF additive system service (where applicable)
Root-cause diagnosis — why did it block?
DPF replacement when cleaning isn't viable
Post-service DPF health monitoring
Or call us on 01462 420999
Quick answers
- How much does a DPF clean cost at JLR Autocare in Hitchin?
- It depends on the vehicle and the fault, so we give a written estimate with parts and labour separated before any work starts, and ask before going over it.
- Who does a DPF clean near Hitchin for Land Rover, Jaguar and German cars?
- JLR Autocare at Wilbury Way, Hitchin, Hertfordshire — an independent Jaguar, Land Rover, Range Rover and German car specialist using dealer-level diagnostic equipment.
- How do I book a DPF clean?
- Book online at www.jlrautocare.co.uk/book or call 01462 420999.
Frequently asked questions
Can a blocked DPF be cleaned?
In most cases, yes. Forced regeneration or chemical cleaning can restore a blocked DPF to full function. We always assess the filter first to confirm cleaning is viable.
Is it legal to remove the DPF?
No. DPF removal is illegal for road vehicles in the UK and will result in an MOT failure. We only offer cleaning, regeneration, and replacement.
My Land Rover / Range Rover DPF light is on — can you help?
Absolutely. DPF issues are very common on diesel Land Rover and Range Rover vehicles. We have extensive experience diagnosing and resolving these faults.
Book your car in with JLR Autocare
29 Wilbury Way, Hitchin, Hertfordshire, SG4 0TW. Call the workshop or book a slot online and we will confirm the price before any work starts.