How much does EGR valve cleaning cost?

EGR valve cleaning at a garage typically costs between £80 and £200, though the final price depends on your vehicle, how accessible the valve is, and what method the garage uses.

Mobile We come to you
Software only No physical parts removed or replaced
Flat £220 No surprises
Same or next day In most cases

What affects the cost of EGR cleaning?

There are two main approaches, and the price difference between them is significant.

Chemical or spray cleaning is the cheaper option. A technician feeds a cleaning agent through the intake manifold without removing the valve. It takes less time and costs less labour, expect to pay roughly £80 to £120 for this.

Physical removal and strip soak is more thorough. The valve is taken off the engine, disassembled where possible, and soaked in a cleaning solution to break down carbon deposits. This is more time-consuming and usually costs £120 to £200, sometimes more on larger or more complex engines where access is awkward.

Neither method is a permanent fix. On high-mileage diesel vehicles, carbon build-up is an ongoing issue. Many owners find themselves back at the garage every 12 to 18 months.

Emissions pipework and valve in a diesel engine bay
Diesel dashboard warning lights lit at night

Is there a more cost-effective alternative?

This is where the numbers start to tell a different story.

If you are paying £80 to £200 to clean your EGR valve and it needs doing every year or so, the costs stack up. Two cleans over two years could easily come to £200 to £400, and your engine is still producing the soot that caused the problem in the first place.

A permanent ECU delete removes the EGR system from the engine management entirely. No valve, no soot recirculation, no repeat visits. Our flat-rate service is £220, we come to you anywhere within a 40-mile radius of Eccles, and it is a one-off job.

Important: EGR delete is for off-road and track use only. It is not road-legal in the UK.

Our service

The EGR Specialist is the mobile EGR delete service operated by SGR Automotive. We have worked on over 7,000 vehicles and cover the whole of Greater Manchester and surrounding areas.

  • Mobile service, we come to your home, workplace, or unit
  • £220 flat rate, no hidden costs
  • 40-mile radius of Eccles
  • Call us on 0161 694 7331
Diesel pump nozzles on a forecourt

Frequently asked questions

How much does EGR valve cleaning cost?
EGR valve cleaning costs between £80 and £200 at most garages. Chemical cleaning through the intake is at the lower end of that range. Physical removal and soaking is more labour-intensive and sits toward the top. Prices vary by vehicle and how accessible the valve is.
Is EGR cleaning worth it?
It depends on your situation. Cleaning can restore performance and clear fault codes in the short term. But on a high-mileage diesel, the carbon will return. If you are looking at repeat cleans over the coming years, a one-off delete often works out better value, though this is only legal for off-road or track use.
How long does EGR cleaning last?
Chemical cleaning may last six to twelve months on a vehicle that sees a lot of town driving or short trips. A full strip and soak can last longer, but there is no fixed lifespan. It depends heavily on your driving pattern, fuel quality, and engine condition.
Is an EGR delete cheaper than cleaning long-term?
On a straight cost comparison, yes, in most cases. Two or three repeat cleans will exceed the £220 cost of a permanent delete. Factor in the inconvenience of booking the car in repeatedly and the case becomes clearer still. Again, a delete is strictly for off-road and track use only.