How Much Does EGR Valve Cost in 2025?
Expect to pay between £80 and £200 for EGR valve cleaning in the UK, depending on your vehicle type and service location.
If your vehicle’s performance is suffering or you’re seeing warning lights, the culprit could be a dirty EGR valve. Understanding the egr valve cleaning cost can help UK drivers make informed service decisions without overpaying.
Average Cost of EGR Valve Cleaning
The EGR Valve cost varies based on car make, location, and whether it’s done as part of a broader diagnostic. Mobile services tend to be cheaper, while dealer rates are often higher due to brand-specific servicing requirements.
Here’s a breakdown of average EGR valve cleaning prices in the UK:
| Service Type | Typical Cost (UK) |
|---|---|
| Mobile mechanic (on-site cleaning) | £80–£120 |
| Independent garage | £100–£150 |
| Main dealership | £150–£200 |
| As part of full engine service | £200–£300 (total) |
Real UK Garage Prices — Correct as of 9th July 2025
| Location / Source | Average Price | Garage / Source |
|---|---|---|
| National (Bumper.co.uk) | £250–£275 | Bumper |
| UK Average (FixMyCar) | £371.61 | FixMyCar |
| England (Autobutler) | Part: £140–£460 (avg ~£300) | Autobutler |
| Scotland (Reddit r/NorthernIreland UK post) | £600 (VW Scirocco) | Reddit quote |
| National (Fixter) | £337–£804 (avg £465) | Fixter |
EGR valve cost vary depending on part quality (OEM vs aftermarket), labour complexity, and regional rates. Always check with local garages or online quotes for accurate pricing.
What’s Included in EGR Valve Cleaning?
- Visual inspection of the EGR valve and related components
- Diagnostic scan to confirm EGR-related faults
- Removal and thorough cleaning of the EGR valve
- Cleaning of intake manifold if necessary
- Reinstallation and retesting for error codes
- Labour costs (typically 1–2 hours)
- Consumables like solvent cleaner and gaskets
How to Save Money on EGR Valve Cleaning
- Use mobile mechanics – Many offer EGR cleaning at lower rates with flexible scheduling.
- Combine with other services – Bundling with a full service or MOT can reduce total cost.
- Buy your own parts – If a valve replacement is needed, sourcing parts yourself can be cheaper.
- Check for warranty cover – Some newer vehicles include EGR servicing under powertrain warranties.
- Look for seasonal discounts – Garages often run promotions in off-peak months.
- DIY cleaning (if confident) – Advanced DIYers can remove and clean EGR valves using online guides.
Frequently Asked Questions
Is EGR valve cleaning really necessary?
Absolutely. The EGR (Exhaust Gas Recirculation) valve is a vital part of your engine’s emissions control system. Over time, carbon deposits from exhaust gases accumulate on the valve, impeding its function. A clogged EGR valve restricts airflow, resulting in reduced fuel efficiency, increased emissions, and poor throttle response. In the long term, neglecting to clean or maintain the EGR system can lead to MOT failures or expensive repairs such as DPF (Diesel Particulate Filter) damage. Especially in diesel engines, regular cleaning is not just beneficial—it’s essential for performance and compliance with emission standards.
How often should I clean my EGR valve?
Most manufacturers do not specify an exact interval, but mechanics commonly recommend EGR cleaning every 30,000 to 50,000 miles. Vehicles primarily driven in urban settings or those used for frequent short trips may require more frequent cleaning due to higher carbon buildup. If your vehicle has a history of EGR or DPF faults, it’s wise to include this service in your annual maintenance schedule. Preventative cleaning not only improves fuel economy but also prevents more severe engine issues from developing over time.
Can I clean the EGR valve myself?
Yes, but it depends on your skill level. DIY EGR valve cleaning can save money, with cleaner kits available for £10–£30. You’ll need basic tools and access to the valve—some models make this easy, while others may require significant disassembly. The process typically involves removing the valve, soaking it in a carbon cleaner, scrubbing with a wire brush, and reassembling. However, improper handling can damage the valve or associated sensors. Additionally, many DIY methods do not clean internal passages as thoroughly as professional ultrasonic or chemical cleaning, which might affect long-term performance. If in doubt, it’s best to consult a professional.
What are the signs of a dirty EGR valve?
Typical symptoms of a clogged or malfunctioning EGR valve include poor acceleration, engine knocking, black smoke from the exhaust, and a noticeable drop in fuel efficiency. The engine warning light (MIL) often illuminates, and a diagnostic trouble code (DTC) related to the EGR system will be stored in the ECU. In some cases, the engine may enter limp mode to protect itself, restricting your speed and performance. These symptoms can also mimic other faults, so a professional diagnostic is recommended before assuming it’s the EGR valve. Addressing early warning signs helps avoid damage to related systems such as the intake manifold or turbocharger.
Will cleaning the EGR valve fix performance issues?
Often, yes. EGR valve cleaning can significantly improve performance, especially in diesel engines that have suffered from restricted airflow. Cleaning restores proper combustion balance, which results in smoother idling, quicker throttle response, and reduced soot output. However, cleaning won’t resolve problems caused by faulty actuators, sensors, or severe mechanical damage. If performance issues persist after cleaning, further diagnostics may reveal a need for EGR valve replacement or additional work on the DPF or turbo system. In many cases, cleaning is an effective first step that avoids unnecessary replacements and expenses.
Is EGR valve cleaning covered by MOT or service plans?
Typically, EGR valve cleaning is considered a separate maintenance item and is not covered in a standard MOT or basic service. However, if a diagnostic flags EGR issues during an MOT prep or interim service, garages may offer cleaning at a discounted rate as part of remedial work. Some extended service plans or vehicle warranties include EGR maintenance if linked to emission system faults. It’s worth checking the fine print of your warranty or service agreement. Being proactive and requesting EGR valve checks during annual servicing can help keep your engine running efficiently and within legal emission thresholds.
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