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<h2>What is an exhaust gas temperature sensor?</h2>Exhaust gas temperature (EGT) sensors are like the engine's thermometer. They're placed in your car's exhaust system, near the engine, to measure how hot the exhaust gases are getting. Why does this matter?<ol><li>Better performance: EGT sensors send information to your car's brain (the engine control unit) to fine-tune things like how much fuel is injected and when, so your engine runs at its best.</li><li>Emission control: They also help control emissions. By knowing the exhaust temperature, your car can adjust things to reduce harmful pollutants coming out of the tailpipe.</li><li>Safety: EGT sensors act as a kind of safety guard. If the exhaust gets too hot, it can signal your car's computer to take action and prevent overheating or damage.</li></ol>EGT sensors help the car run smoothly, save fuel, and keep the environment cleaner, all by keeping an eye on how hot things are in the engine's exhaust system.<h2>Exhaust gas temperature sensor failure symptoms</h2>Think of your exhaust gas temperature sensor as a kind of "temperature detective" inside your car's engine. Its job is to keep an eye on how hot things are getting in your exhaust system. When this sensor isn't working as it should, you might notice a few things:<ul><li>Check engine light: First, your car might throw a little warning sign on the dashboard, often known as the check engine light. It's like a signal that something's not quite right.</li><li>Lackluster performance: Your car might not feel as peppy as usual. It could be slower to accelerate, and overall, it just won't have that zip you're used to.</li><li>Thirsty for fuel: When the EGT sensor goes haywire, your car might start sipping fuel like it's a bottomless cup. This means you'll notice fewer miles per gallon.</li><li>Environmental impact: If the EGT sensor isn't doing its job, your car might release more pollution into the air, which isn't great for the environment.</li><li>Rough idle: Sometimes, when the EGT sensor acts up, your car might not idle smoothly. It might shake or vibrate when you're sitting still.</li><li>Too hot to handle: On the flip side, if the sensor gets things wrong, your car's exhaust might get too hot, potentially causing problems or damage.</li><li>No more safety net: The EGT sensor also helps keep your engine safe from overheating. If it's not working, you lose that extra layer of protection.</li></ul>&nbsp;If you notice any of these signs, it's a good idea to have a local mechanic take a look under the hood to sort things out.

Exhaust Gas Temperature Sensor

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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

Electric Vacuum Pump

Engine Air Duct Assembly

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Engine Air Filter

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Intake Manifold

Intake Manifold Flap Actuator

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Intercooler

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Oxygen Sensor

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Pressure Sensor

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Throttle Body

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Throttle Position Sensor

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Turbocharger

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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

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Camshaft Timing Gear

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Camshafts

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Engine Valve Cover

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Harmonic Balancer

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Timing Belt Kit

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Timing Chain Kit

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Timing Cover

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Timing-Control Valve Solenoid

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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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Crankcase Breather Hose

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Crankcase Breather Valve

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Crankshaft Position Sensor

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Engine Oil Dipstick Tube

Engine Oil Filter

Engine Oil Pan Gasket

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Flywheel

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Oil Cooler

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Oil Cooler Line

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Oil Filter

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Oil Filter Housing

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Oil Level Sensor

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Oil Pan

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Oil Pump

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Oil Pump Pickup Tube

Cranks, Pistons, Oil & Components

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Camshaft Position Sensor

Camshaft Position Sensor & Magnet Kit

Connector Plug

Distributor Cap

Engine Valve Covers & Ignition Coils Kits

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Glow Plug Relay Module

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Ignition Coil

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Ignition Coils & Spark Plugs Kits

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Ignition Distributor

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Ignition Starter Switch

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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

Engine Components & Accessories

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Auxiliary Water Pump

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Expansion Tank

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Expansion Tank Mounting Plate

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Fuel Cooler

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Radiator

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Radiator Hose

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Radiator Support Assembly

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Temperature Sensor

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Turbo Hose

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Water Coolant Pipe

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Water Outlet

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Engine Cooling

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Engine Mount

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Engine Mounts

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Catalytic Converter

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EGR Valve

Emissions Fluid Pump

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Exhaust Fluid Heater

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Exhaust Manifold

Fuel Tank Breather Valve

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Fuel Vapor Leak Detection Pump

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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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Fuel Filter

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Fuel Injection Control Module

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Fuel Injection Pressure Regulator

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Fuel Injector

Fuel Injector Kit

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Fuel Injector Module Wiring Harness

Fuel Line Kit

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Fuel Pump

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Fuel Sending Unit

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Fuel Tank Filler Neck Pipe

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Fuel Tank Strap

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High Pressure Fuel Pump

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Idle Air Control Valve

Mechanical Fuel Pump

Oil Pressure Relief Valve

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Fuel Systems & Components

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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.

2012 Mercedes-Benz S350 Exhaust Gas Temperature Sensor

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