The diesel particulate filter (DPF) and the exhaust gas recirculation valve (EGR) are two highly important components of your diesel engine, helping to reduce the amount of harmful emission from your exhaust. These parts are also essential for compliance with government legislations surrounding emissions, with it being illegal to alter or remove either of them from your engine. It is imperative that you keep both of these parts in solid working condition.
Diesel particulate filters are devices designed specifically to remove diesel particulate matter, or soot, from the exhaust gas of a diesel engine. These filters help to reduce the amount of emissions that a diesel vehicle can create. The team at Diesel West Mechanical Services often finds issues with clients’ diesel particulate filters, with them frequently needing repairing as ash builds up. These filters need more regular maintenance than catalytic converters, and without such service, your diesel engine could start experiencing some significant problems.
One of the byproducts of oil consumption from normal engine operation is ash. This ash builds up in the diesel particulate filter as it simply cannot be converted into a gas to allow it to pass through the confines of the filter. This increases the pressure before the filter as the ash slowly builds up.
In modern vehicles, once there is a build up of this ash, the internal computer in your vehicle will commence a ‘regen’ process whereby it considerably boosts the temperature of the exhaust in an effort to clear the blockage. This is sometimes enough to clear the ash, but in the case that it doesn’t work, or there is an issue detected, your car will go into what’s referred to as limp mode.
If this happens to your diesel engine, you should always have your DPF seen by one of the professionals at Diesel West, as they can help to assess the condition of your DPF and see whether it may be in need of a repair or replacement. We understand the inconvenience of such issues, aiming to have all issues resolved and you back on the roads in a timely and affordable manner.
Another essential element of your diesel engine’s management system is the exhaust gas recirculation valve (EGR). The EGR valve recirculates finely metered amounts of the exhaust gas back into the engine intake system. The main goals of doing this is to increase the efficiency of the engine, reduce fuel consumption, and importantly to lower nitrogen oxide emissions.
Due to the environment in which EGRs operate, over time they will naturally accumulate general wear and tear. One of the most common causes of EGR failure is the buildup of carbon particles in the intake manifold. This buildup can block exhaust gas channels, restricting airflow, causing quite noticeable performance issues in your diesel engine.
Unfortunately, the signs of EGR failure are quite similar to many other different engine component issues. This is why it can be difficult to assess exactly what the issue is without the appropriate equipment and experience.
The technicians at Diesel West in Perth can help to identify the exact cause of your diesel engine problems, helping to get your EGR valve back in a healthy operating condition once more. If you are experiencing issues with your DPF or EGR, please call Diesel West Mechanical Services today on 0427 501 378.
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