Walker Products Automotive Parts

Walker Products

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<h2><span style="font-size: 18px;"><strong>Types of car pressure sensors and how they work</strong></span></h2><h3><span style="font-size: 16px;"><strong>Tire pressure sensor (TPMS)</strong></span></h3><ul><li><span style="font-size: 14px;">Principle: TPMS sensors typically use a piezoelectric or capacitive pressure sensor technology.</span></li><li><span style="font-size: 14px;">Operation: Each TPMS sensor is mounted inside a tire and constantly monitors the air pressure. When the pressure decreases, the sensor's internal diaphragm or structure deforms, causing a change in capacitance or generating a voltage.</span></li><li><span style="font-size: 14px;">Transmission: The sensor wirelessly transmits the pressure data to the vehicle's onboard computer, which processes the information and triggers a warning light on the dashboard if the pressure falls below a predefined threshold.</span></li></ul><h3><span style="font-size: 16px;"><strong>Manifold absolute pressure (MAP) sensor</strong></span></h3><ul><li><span style="font-size: 14px;">Principle: MAP sensors often use a piezoresistive or capacitive element.</span></li><li><span style="font-size: 14px;">Operation: The MAP sensor measures the pressure in the engine's intake manifold. As the engine sucks in air, the pressure in the manifold changes. The sensor responds to these changes by altering its electrical properties, such as resistance or capacitance.</span></li><li><span style="font-size: 14px;">Signal Processing: The sensor's output is sent to the Engine Control Unit (ECU), which uses this data to optimize fuel injection and air-fuel mixture for engine performance and emissions control.</span></li></ul><h3><span style="font-size: 16px;"><strong>Oil pressure sensor</strong></span></h3><ul><li><span style="font-size: 14px;">Principle: Oil pressure sensors typically use a piezoresistive sensing element.</span></li><li><span style="font-size: 14px;">Operation: The oil pressure sensor is mounted in the engine and monitors the pressure of engine oil. When the oil pressure changes, it causes a corresponding change in the sensor's electrical resistance.</span></li><li><span style="font-size: 14px;">Output: The sensor's output is sent to the ECU and may also be used to trigger a warning light on the dashboard if oil pressure drops too low.</span></li></ul><h3><span style="font-size: 16px;"><strong>Transmission fluid pressure sensor</strong></span></h3><ul><li><span style="font-size: 14px;">Principle: These sensors often use piezoelectric or piezoresistive elements.</span></li><li><span style="font-size: 14px;">Operation: Transmission fluid pressure sensors monitor the hydraulic pressure in the transmission. Changes in pressure result in a change in the sensor's electrical properties.</span></li><li><span style="font-size: 14px;">Signal Processing: The sensor's output is used to control transmission functions, such as gear shifting and torque converter lockup.</span></li></ul>

Pressure Sensor

Accelerator Cable

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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

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Air Intake Duct

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Air Intake Hose

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Air Intake Manifold Actuator Control Solenoid

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Air Intake Manifold Flap Adjuster

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Air Intake Manifold Runner Control Sensor

Air Intake Resonator

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Electric Vacuum Pump

Engine & Cabin Air Filter

Engine Air Duct Assembly

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Engine Air Filter

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Intake Manifold

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Intake Manifold Flap Actuator

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Intake Manifold Repair Bracket

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Intake Manifold Runner Control Valve

Intake Manifold Seal Gasket

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Intercooler

Intercooler Hose

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Oxygen Sensors

Car Oxygen Sensor Price From $24.99 | A-Premium

Oxygen 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

Turbocharger Wastegate Actuator

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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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Crankshaft Sprocket

Camshaft Timing Gear

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Camshafts

Chain Tensioner Adjuster

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Cylinder Head

Cylinder Head Assembly

Cylinder Head Gasket

Eccentric Shaft Actuator

Engine Timing Belt

Engine Timing Cover Gasket

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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

Crankcase Oil Separator

PCV Valve Diaphragm

Crankcase Ventilation Cover

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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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Clutch Flywheel

Flywheel

Harmonic Balancer Crankshaft Hub

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Oil Baffle

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Oil Cooler

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Oil Cooler Line

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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

Direct Ignition Coil Boot

Distributor Cap

Distributor Ignition Pickup

Distributor Rotor

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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

Ignition Control Module

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Ignition Distributor

Ignition Lock Cylinder

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Ignition Starter Switch

Ignition Switch Actuator

Kill Switch

Knock 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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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.

Walker Products Pressure Sensor