EGR Valve
EGR valve problems can be annoying, as they often involve significant costs. At Tunex you can get honest and expert advice. Read more about how the EGR valve works below.
Cleaning the EGR valve
In some cases, the EGR is not faulty, just highly contaminated. In that case, it may pay to have the EGR cleaned. Cleaning the valve is significantly cheaper than replacing it. However, often there is more to it than just pollution. A clogged or malfunctioning valve can be recognized by the following symptoms:
- Motorstoringslampje brandt
- Moeilijk starten van de motor
- Onregelmatig stationair draaien van de motor
- Haperingen of stotteringen tijdens het rijden
- Zwarte rook uit de uitlaat
- Roetfilter raakt vol
- Inlaatsysteem en wervelkleppen vervuilen
- Vermogensverlies van de auto
- Hoger brandstofverbruik dan gebruikelijk.
What is an EGR valve?
The EGR valve is a component in the engine that reduces nitrogen oxide (NOx) emissions, which is better for the environment. However, the part can lead to accelerated fouling in the engine. The EGR valve directs some of the exhaust gases back into the engine, lowering the combustion temperature in the cylinders and thus reducing NOx emissions.
appraise
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EGR valve replacement:
Valve replacement is a costly affair that should always be performed by a specialist because of the difficult access and labor intensity. Costs quickly range between €600 and €1,500, depending on the type of car.
EGR closure:
Alternatively, the EGR can be permanently closed by software modification, sometimes combined with the use of a blind plate/egr plate to close it mechanically. Keep in mind that shutting down the EGR should be considered a temporary emergency solution, even if an MOT inspector may not notice it.
If you choose to remove or deactivate the EGR system, be aware of the legal requirements. The RDW considers the removal of the EGR system to be a change in the construction of the vehicle and therefore requires modifications to the vehicle registration. This can lead to higher road taxes.
