Your Selected Vehicle
Parts for your 2019 Mitsubishi Asx-Egr valve
Explore 4WD & Adventure
Mitsubishi ASX 2019 EGR Valve: What You Need to Know
The 2019 Mitsubishi ASX is a popular compact SUV that's known for its reliability and efficiency. When it comes to components like the EGR valve, it's important to understand if this part is present and what role it plays. So, does the 2019 Mitsubishi ASX come with an EGR valve? The answer depends on the engine model and emissions setup, but generally speaking, yes, the 2019 Mitsubishi ASX does utilise an Exhaust Gas Recirculation (EGR) valve, especially on its diesel variants.
The EGR valve is a key component in modern internal combustion engines, designed to lower harmful emissions and improve efficiency. Mitsubishi fits the EGR valve on models where emissions regulations require advanced control of nitrogen oxides (NOx). On the 2019 ASX petrol engines, particularly the 2.0-litre petrol, the EGR system may be more simplified or absent due to different combustion characteristics and emissions requirements, but diesel versions almost certainly feature EGR systems because diesel engines produce higher NOx emissions by nature.
The purpose of the EGR valve on the Mitsubishi ASX is pretty straightforward but important. It recirculates a portion of the exhaust gases back into the combustion chamber. This process helps lower the combustion temperature, which in turn reduces the formation of nitrogen oxides, a harmful pollutant. By lowering the combustion temperature, the EGR system also helps the engine meet strict Australian and global emission standards.
Here's a quick look at what the EGR valve actually does:
- Redirects exhaust gases back into the intake manifold
- Reduces peak combustion temperature
- Lowers nitrogen oxides (NOx) emissions
- Improves engine efficiency and reduces knock
- Helps the vehicle comply with emission regulations
So, it's an essential part for maintaining environmentally friendly operation, especially in diesel engines. However, since these systems use exhaust gases, they can be prone to carbon build-up which affects performance over time.
When it comes to servicing or replacing the EGR valve on a 2019 Mitsubishi ASX, a few things are worth knowing. Typically, you'll want to keep an eye out for common symptoms if the EGR valve is not functioning correctly:
- Rough or unstable idling
- Decreased fuel efficiency
- Check engine light illumination
- Reduced engine power or hesitation under acceleration
- Increased emissions or failed vehicle emissions tests
These indicators suggest the EGR valve is clogged or stuck open or closed, which can cause the engine to run inefficiently. Over time, carbon deposits build up on the valve and its related pathways, restricting the gas flow or jamming the valve itself.
Routine maintenance usually involves cleaning the EGR valve to clear any carbon deposits. This extends the part's life and ensures the ASX keeps running smoothly without unnecessary emissions. Professional mechanics will typically remove the valve, use specialised solvents, or ultrasonic cleaners to get rid of the deposits. Depending on the severity of blockage, a replacement EGR valve might be needed.
Replacing the EGR valve on the 2019 ASX isn't especially tricky for experienced technicians, but it does require some patience and care to avoid damaging nearby components like sensors or hoses. It's a good idea to follow Mitsubishi's recommended service intervals or have the valve checked anytime the engine is serviced for gas or emissions issues.
Some things to remember when maintaining or replacing the EGR valve:
- Check for and repair any vacuum leaks or electrical faults affecting EGR operation
- Inspect associated parts such as the EGR cooler, sensors, and the intake manifold for blockages
- Use genuine or high-quality replacement parts to maintain proper function
- Be aware that neglected EGR valves can lead to costly damage, including deteriorated engine components and failing emissions tests
- Keep up with regular servicing to avoid unexpected breakdowns or performance issues
For the average Mitsubishi ASX owner in Australia, understanding the EGR valve helps to maintain the vehicle's reliability and environmental performance. It is one of those parts that quietly does its job but definitely demands attention during servicing to avoid issues down the line.
In essence, the EGR valve on a 2019 Mitsubishi ASX works behind the scenes to reduce pollution and assist in engine efficiency. Making sure it is clean and functioning correctly can save money on fuel and repairs as well as prevent the dreaded check engine light from spoiling your day. If you're servicing your 2019 Mitsubishi ASX, ask your mechanic to check the EGR valve as part of a thorough inspection to keep everything running smoothly and within emissions guidelines.