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EGR valve cleaning, replacement & diagnostics

Renault EGR Valves

Your Exhaust Gas Recirculation (EGR) valve is an important part of the exhaust system on your Renault.
EGR valves increase engine efficiency whilst at the same time decrease emissions.

Engine management light on
EGR valve

When the EGR valve is clogged or malfunctioning, engine performance can deteriorate and the EGR valve should be inspected, cleaned or replaced.

The EGR valve works by recirculating some of the car's exhaust gases back into the engine combustion chamber.

By doing this, the temperature in the engine is lowered.

Nitrogen oxides produced by the engine pollute the atmosphere less if they are cooler.

Your EGR valve therefore has a direct impact on vehicle emissions and should ideally be checked prior to an MOT test.

Engine Management light on?

Faulty EGR valves can cause your engine management light to come on, and are usually a quick and straightforward low-cost repair or replacement.

EGR / Engine Diagnostic check for just £20

Call us on 01962 885931 or send us an email and we can arrange to look at your car and quickly find out why your engine management light is on.

Replacement EGR valves are cheap to buy and the time to fit / clean them is also short, therefore resolving EGR problems is not a costly job.

Engine management light on
EGR valve setup

An EGR valve consists of a small valve which opens to allow exhaust into the combustion chamber and closes when it is not needed, to keep the air mixture optimal for combustion.

Some versions do not open until there is sufficient back pressure, ensuring that the valve will not be open when the engine is idle or cold, providing a higher concentration of oxygen for combustion.

If your EGR valve is stuck open, it will lead to inefficient combustion, rough idling, hesitation, and sometimes engine stalling.

The EGR valve is simple and quick to clean or replace.

If it is clogged, simple cleaning will solve the problem.

Replacement of the valve may be needed if there are mechanical issues.

Failure to repair or replace the valve will not lead to any dangerous driving conditions, however it will reduce the engine life of your car and increase the potential emissions which will be apparent on your next MOT test.

Hampshire Autos Ltd | Old Station Yard, London Road, Kings Worthy, Winchester, Hampshire SO23 7QA | Tel 01962 885931
Company Registration 07378633 | VAT Registration 103 724 352
Car & Garage Services, MOT testing & Repairs for customers in the Winchester area: Kings Worthy, Abbots Worthy, Abbots Barton, Winnall, Itchen Abbas, Micheldever, Martyr Worthy
Headbourne Worthy, Worthy Down, Harestock, Littleton, Sparsholt, Olivers Battery, Badger Farm, St Cross, Twyford, South Wonston, Easton, Chilcomb
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