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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

Air Cleaner

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Air Filter Box

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Mass Air Flow Sensors/Car MAF Sensors | A-Premium

Air Flow Sensor

Air Intake Duct

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Air Intake Hose

Air Intake Manifold Actuator Control Solenoid

Air Intake Manifold Flap Adjuster

Air Intake Manifold Runner Control Sensor

Air Intake Resonator

Electric Vacuum Pump

Engine Air Duct Assembly

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Engine Air Filter

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Intake Manifold

Intake Manifold Flap Actuator

Intake Manifold Repair Bracket

Intake Manifold Runner Control Valve

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Intercooler

Intercooler Hose

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Oxygen Sensor

Car Oxygen Sensor Price From $24.99 | A-Premium

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Pressure Sensor

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Supercharger Pulley Drive Unit

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Supercharger Snout Rebuild Kit

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Throttle Body

Throttle Cable

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Throttle Position Sensor

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Turbocharger

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Turbocharger Gasket Kit

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Turbocharger Oil Line

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Vacuum Pump

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Air Filters & Intake Systems

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Camshaft Adjuster

Camshaft Adjuster Cover

Camshaft Kit

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Camshaft Timing Gear

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Camshafts

Chain Tensioner Adjuster

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Cylinder Head

Cylinder Head Assembly

Eccentric Shaft Actuator

Engine Timing Belt

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Engine Valve Cover

Engine Valve Cover Gasket

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Harmonic Balancer

Rocker Arm

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Rocker Arm Shaft Lifter Assembly

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Timing Belt Kit

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Timing Chain Gear

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Timing Chain Kit

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Timing Cover

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Timing-Control Valve Solenoid

Valve Cover Gasket

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Valve Lifter Guides

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Valve Lifters Tappet

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Cams, Timing & Valvetrain

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Belt Tensioner

Coolant Level Sensor

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Crank Installer Tool

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Crankcase Breather Hose

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Crankcase Breather Valve

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Crankshaft Position Sensor

Crankshaft Pulley

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Engine Oil Dipstick

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Engine Oil Dipstick Tube

Engine Oil Filter

Engine Oil Pan Gasket

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Flywheel

Harmonic Balancer Crankshaft Hub

Knock Sensor

Oil Baffle

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Oil Cooler

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Oil Cooler Line

Oil Drip Pan

Oil Filler Cap

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Oil Filter

Oil Filter Base

Oil Filter Cover

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Oil Filter Housing

Oil Filter Housing Cover

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Oil Level Sensor

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Oil Pan

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Oil Pump

Oil Pump Drive Gear Shaft

Oil Pump Pickup Tube

Oil Separator

Serpentine Belt

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Cranks, Pistons, Oil & Components

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Camshaft Position Sensor

Camshaft Position Sensor & Magnet Kit

Connector Plug

Distributor Cap

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Electronic Ignition System

Engine Valve Covers & Ignition Coils Kits

Glow Plug

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Glow Plug Relay Module

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Ignition Coil

Ignition Coils & Spark Plugs & Wires Kits

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Ignition Coils & Spark Plugs Kits

Ignition Coils & Wires Kits

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Ignition Distributor

Ignition Lock Cylinder

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Ignition Starter Switch

Ignition Switch Actuator

Kill Switch

Knock Detonation Sensor

Relay

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Spark Plug

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Spark Plug Wire

Electronic Control Modules, Ignition & Distributors

Engine Wiring Harness

Intake Manifold Repair Kit

Pulley

Engine Components & Accessories

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Active Grille Shutter Actuator

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Auxiliary Water Pump

Drive Motor Inverter Cooler

Electric Engine Water Pump

Engine Coolant Air Bleeder Valve

Engine Coolant Pipe

Engine Coolant Shut Off Valve

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Expansion Tank

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Expansion Tank Mounting Plate

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Fan Pulley Bracket

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Fuel Cooler

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Overflow Hose Connector

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Radiator

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Radiator Control Fan Module

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Radiator Core Support Skid Bar Plate

Radiator Fan Cooling Motor

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Radiator Hose

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Engine Cooling

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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.

2003 Mercury Mountaineer EGR Valve

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