EGR Solutions

The EGR valve (Exhaust Gas Recirculation) is an emission control device designed to reduce NOx emissions to help towards the ever more stringent Euro Emission Regulations.

EGR Delete / EGR Bypass

The EGR valve (Exhaust Gas Recirculation) is an emission control device designed to reduce NOx emissions to help towards the ever more stringent Euro Emission Regulations. EGR Delete and EGR bypass software is designed to remove the functionality of the EGR valve to ensure it removes the running issues associated with these devices

How do EGR Values Work?

EGR Valve Problems

As the EGR valve is constantly working with burnt exhaust gases they naturally have high soot content. This soot in the gases causes a build-up of carbon deposits around the valve operation area which in turn causes the valve to have a tendency to stick in various positions. For full engine performance the EGR valve is closed which creates a closed loop environment for the turbo system which allows it to pressurise. A problematic EGR can create an open loop environment for the turbo as it provides a feedback straight to the intake manifold and as a result can cause boost issues along with huge reductions in power and also fuel economy!

EGR Delete/Removal Dyno Example

Take a look at the Dynamometer chart, it is for a Peugeot 308 1.6 HDI 110bhp Euro 4 variant. The Run 1 is before the blanking plate was fitted and Run 2 is after fitment and just the EGR turned off so no MIL lights will appear on the dash. 

You can see that peak figures have increased by 13bhp and 25lbft which is a huge loss in performance. If you look at 3,000rpm you can see losses at their highest of approximately 22bhp and 40lbft.

Benefits Of EGR Removal - EGR Delete

Having your EGR Delete software can save you money in repairs and in fuel costs. Custom Tuning Aberdeen are at the forefront of EGR Removal and EGR Bypass software and can correctly remove the functionality from the software of most ECU types. Some companies will simply turn off the codes associated with it being unplugged but this is not the correct way. The EGR valve needs properly disabling to ensure it is not trying to recirculate exhausts gases whilst still physically working in the engine.

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