The DoT's view on modifying your car's EGR system

[Chrispb]

This is a copy of an email I received back from the Department of Transport regarding the blanking off of the EGR valve.


In answer to your recent question, I can respond as follows;


Disabling of Exhaust Gas Recirculation (EGR) systems on road vehicles is indeed illegal. Regulation 61a(3) of the Road Vehicles (Construction & Use) Regulations as amended make it an offence to use a vehicle that has been modified in such a way that it no longer complies with the emissions standards which it was designed to meet. EGR systems are commonly fitted to diesel cars and vans (and some petrol vehicles) to meet mandatory NOx emissions limits


Mark Heverin

Freight, Operator Licensing & Roadworthiness

DfT

My question was, is it legal to blank off the EGR valve, and was there anything in the pipeline as regards checking operation of EGR in the MOT test.

It may help you decide if you were considering blanking off the EGR valve

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