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<h2>What is an EGR in a car?</h2>
An EGR (Exhaust Gas Recirculation) valve is a component in the engine system of many vehicles that helps reduce emissions by recirculating a portion of exhaust gases back into the engine's combustion chamber.
The EGR valve works by opening and closing to control the flow of exhaust gas that is recirculated. When the valve is open, exhaust gases are allowed to flow back into the engine's combustion chamber, which lowers the combustion temperature and reduces the formation of harmful pollutants such as nitrogen oxides (NOx). This, in turn, helps the engine to run more efficiently, improve fuel economy, and reduce emissions.
<h2>What happens when the EGR&nbsp;valve goes bad?</h2>
There are several signs that may indicate a bad EGR valve, including:
<ul>
<li>Rough idle: A bad EGR valve can cause the engine to idle roughly or even stall.</li>
<li>Check engine light: A faulty EGR valve can trigger the check engine light to come on, indicating a problem with the engine's emissions system.</li>
<li>Reduced engine performance: A malfunctioning EGR valve can result in reduced engine power and acceleration, as well as decreased fuel economy.</li>
<li>Engine knocking: If the EGR valve is stuck open, it can cause engine knocking or pinging, which is a sign of engine damage.</li>
<li>Increased emissions: A bad EGR valve can cause an increase in emissions, including nitrogen oxides (NOx), which can lead to environmental pollution.</li>
</ul>
As an essential part of modern engine systems, failure or malfunction of EGR valves can cause a range of problems, including decreased fuel efficiency, rough engine performance, and increased emissions. Regular maintenance and cleaning of the EGR valve can help prevent these issues and ensure optimal engine performance.
<h2>EGR valve replacement cost</h2>
The replacement cost of an EGR valve can vary depending on the make and model of your vehicle, as well as where you live and where you take your car for repairs. You need to consider the cost of a new replacement EGR valve, whose price may vary largely on the brand and the quality. Here in A-Premium, you can find the right EGR valve that is priced as low as $19.99! Our product base has every type of EGR you need. In addition, the labor cost should also be taken into account if you aren&rsquo;t a DIYer. The labor cost can also vary due to various areas. To get an estimated labor cost, you can use some tools. It is also worth mentioning that some luxury or high-performance vehicles may have more expensive EGR valves, which can increase the total cost of replacement.
It's always a good idea to get a quote from a trusted mechanic or dealership to get an accurate estimate of the replacement cost for your specific vehicle.

EGR Valve

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Air Filter Box

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Electric Vacuum Pump

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Timing-Control Valve Solenoid

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Engine Oil Dipstick Tube

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Temperature Sensor

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Exhaust Manifold

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Nitrogen Oxide Sensor

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Secondary Air Injection Check Valve

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Vapor Canister Vent Solenoid

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Exhaust & Emission Systems

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The engine comprises many essential elements such as the lower cylinder block, upper cylinder head(s), and the cooling & lubricating systems. With A-Premium aftermarket engine components, you can expect that your engine deliver years of reliable performance. We offer a diverse selection of engine components from air filters and ignition coils (kits) to fuel pumps to cater to your needs.

2002 GMC Yukon EGR Valve

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