It's been an exceptionally busy week at Howard Motor Repairs, marked by a significant surge in Nissan vehicles experiencing Exhaust Gas Recirculation (EGR) valve failures. This vital component, often overlooked until issues arise, plays a crucial role in vehicle performance and emissions reduction. Let's delve into what an EGR is, its importance, and what you might face if it fails - illustrated by real-case scenarios handled by our skilled technicians at Howard Motor Repairs.

The Exhaust Gas Recirculation (EGR) valve is a key player in reducing emissions and enhancing vehicle performance. By recirculating a portion of an engine's exhaust gas back to the engine cylinders, the EGR system helps in lowering the combustion temperature, which in turn reduces the emission of harmful nitrogen oxides (NOx) pollutants. For vehicles like Nissan, known for their efficiency and performance, a functioning EGR system is paramount.

Regular maintenance of the EGR valve is critical for several reasons. Firstly, it contributes to the longevity and efficiency of the vehicle by ensuring that combustion temperatures remain within ideal parameters, thus preventing overheating. Secondly, it helps in keeping emission levels low, ensuring that the vehicle complies with environmental regulations. Without proper maintenance, the EGR system can become clogged with soot and carbon deposits, leading to its failure.

This past week at Howard Motor Repairs, we've witnessed firsthand the consequences of EGR valve failures in Nissan vehicles. Drivability issues have been the most common complaint, ranging from rough idling to a noticeable decrease in engine power. But more critically, one particular case highlighted a more severe problem where a failed EGR valve also caused damage to the Diesel Particulate Filter (DPF).

The DPF serves a vital role by capturing and containing exhaust particulates to reduce emissions from diesel engines. However, this system encounters issues when the EGR valve experiences fatigue failure, characterised by cracking that results in the valve jamming open. This defect allows unburned fuel to enter the DPF, resulting in an overaccumulation of soot or, in severe situations, complete DPF malfunction. The costs associated with repairing or replacing a DPF are significant, adding to the inconvenience of potential vehicle downtime for the owner. 

Clogging: Due to the accumulation of soot and carbon deposits, the EGR valve can become clogged, hampering its operation.

EGR valve failures can occur for various reasons, including:

Wear and Tear: Constant exposure to extreme temperatures and corrosive elements can degrade the valve over time.

Electrical Issues: Faulty wiring or sensor failures can impair the valve's functionality.

At Howard Motor Repairs, we understand the frustration and inconvenience that vehicle issues can cause. Our approach to the recent spate of Nissan EGR failures has been holistic, focusing not just on symptom treatment but on identifying and addressing the root cause of the failure. Our technicians are equipped with the latest diagnostic tools and have a deep understanding of the Nissan EGR system, allowing them to provide effective and efficient solutions.

Regular Maintenance: Keeping up with scheduled maintenance can help identify potential issues before they become major problems.

EGR Valve Cleaning: Periodic cleaning of the EGR valve and the inlet manifold can prevent clogging and ensure smoother operation.

Software Updates: Ensuring the vehicle's software is up to date can improve EGR valve function and overall vehicle performance.

The importance of a fully functioning EGR system cannot be overstated, especially for high-performance vehicles like Nissan. Regular maintenance and prompt attention to any drivability issues are key to preventing EGR failures. If you’re experiencing problems with your Nissan or suspect an EGR issue, Howard Motor Repairs is here to help. Our commitment to quality service and our expertise in handling EGR-related issues will ensure that your vehicle returns to optimal performance levels. Contact us today to schedule an appointment or to learn more about our services.

Experiencing Nissan vehicle performance issues? Howard Motor Repairs' skilled technicians excel in fixing EGR valve failures. Ensure your Nissan's optimal performance now!

Nissan EGR Valve Issues Solved by Howard Motor Repairs Experts

Nissan EGR Failures - Insights from Howard Motor Repairs’ Busy Week

Maximise your fuel efficiency with an EFI Service at Howard Motor Repairs

An EFI service consists of testing and repairing the various components of the system as well as cleaning the throttle valve, fuel filter, fuel pump, and fuel injectors. An important component is the engine control unit (ECU), which regulates the fuel injection process based on the information provided to it by sensors. An EFI service may be required if there are problems with the sensors or their connections to the ECU. 

 For Electronic Fuel Injection (EFI) service in the Howard area, bring your car into Howard Motor Repairs. We provide high quality EFI servicing and can help you sort out many fuel and electronic fuel injector related problems. Use our handy booking form below or call us today. 

Fuel filters and fuel injection cleaners are essential to the health of a fuel injector. Howard Motor Repairs

Electronic Fuel Injection EFI Service and Repairs in Howard

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We advise that our workshop will be closed for the Christmas period from the close of business on Friday the 20th of December and reopening on Monday the 6th of January. For all towing, breakdowns and roadside assistance please phone RACQ on 131111

Howard Motor Repairs take great pride in offering their clients personalised, and friendly service at all times. 

Conveniently located in Howard , the business is a member of the Repco Auto Tech training program, ensuring their technicians are kept fully up to date with modern vehicle repair methods. 

Howard Motor Repairs have a wealth of experience in servicing all makes and models, including commercial fleet vehicles. And offers RACQ Breakdown and Towing Services. As a Repco Authorised Service Centre, they have a commitment to high quality workmanship, ensuring the very best in automotive care.


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Nissan EGR Failures - Insights from Howard Motor Repairs’ Busy Week