Engine Sensors, Relays, Switches & Connectors

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    • (0 reviews)
      # sp9403
      Replacement Engine Camshaft Position Sensor by Cardone®. Automated test equipment verifies signal strength, correct polarity of wire harness, air gap, crank reluctor tooth size, as well as ignition coil and pickup performance. O.E....
      50-state emissions street legalThe finest quality at a great price
      $70.81 - $214.56
    • (0 reviews)
      # sp24705
      Select Camshaft Position Sensor by Cardone®. CARDONE Select Engineered (CSE) Technology ensures that all distributors meet or exceed O.E. form, fit and function. The only NEW distributor in the aftermarket that is 100% computer tested...
      50-state emissions street legalThe finest quality at a great price
      $13.23 - $183.57
    • (0 reviews)
      # sp111479
      Select Engine Crankshaft Position Sensor by Cardone®. Cardone remanufactured crank angle sensors provide reliable performance at the best price. Each unit is tested, verifying its signal strength, wire harness polarity, ignition coil...
      Cardone Select Engineered (CSE) technology ensures that all distributors meet or exceed O.E. form, fit and functionThe only new distributor in the aftermarket that is 100% computer tested for guaranteed, long-lasting performance
      $122.37 - $170.52
    • (0 reviews)
      # sp133396
      HD Solutions™ Camshaft Position Sensor by Dorman®. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of quality, performance and reliability. Designed to...
      OE quality parts from top original equipment and aftermarket manufacturersThe finest quality at a great price
      $19.64 - $26.40
    • (0 reviews)
      # mpn2041777757
      HD Solutions™ Crankshaft Position Sensor by Dorman®. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of quality, performance and reliability. Designed to...
      OE quality parts from top original equipment and aftermarket manufacturersThe finest quality at a great price
      $25.12
    • (0 reviews)
      # sp133399
      HD Solutions™ Oil Pressure Sensor by Dorman®. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of quality, performance and reliability. Designed to provide a...
      Compliant with the strictest standards for qualityExpertly crafted using the up-to-date technology
      $71.16 - $87.12
    • (0 reviews)
      # sp133402
      HD Solutions™ Turbocharger Speed Sensor by Dorman®. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of quality, performance and reliability. Designed to...
      OE quality parts from top original equipment and aftermarket manufacturersThe finest quality at a great price
      $170.93
    • (1 review)
      # sp133407
      OE Solutions™ Camshaft Position Sensor by Dorman®. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of quality, performance and reliability. Designed to...
      Compliant with the strictest standards for qualityExpertly crafted using the up-to-date technology
      $10.88 - $135.95
    • (2 reviews)
      # sp133410
      OE Solutions™ Crankshaft Position Sensor by Dorman®. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of quality, performance and reliability. Designed to...
      Compliant with the strictest standards for qualityExpertly crafted using the up-to-date technology
      $7.61 - $161.95
    • (0 reviews)
      # sp133411
      OE Solutions™ Cylinder Deactivation Solenoid by Dorman®. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of quality, performance and reliability. Designed to...
      OE quality parts from top original equipment and aftermarket manufacturersThe finest quality at a great price
      $63.95 - $205.95
    • (0 reviews)
      # sp151157
      OE Solutions™ Magnetic Crankshaft Position Sensor by Dorman®. Engine Crankshaft Position Sensors measure crankshaft location to detect misfire and control engine timing. Dorman's Engine Crankshaft Position Sensors are constructed of...
      Direct replacement for a proper fitEasy to install
      $15.95 - $109.95
    • (0 reviews)
      # sp133413
      OE Solutions™ Oil Pressure Sensor by Dorman®. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of quality, performance and reliability. Designed to provide a...
      Compliant with the strictest standards for qualityExpertly crafted using the up-to-date technology
      $26.41 - $99.95
    • (0 reviews)
      # sp133414
      OE Solutions™ Oil Pressure Sensor Filter by Dorman®. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of quality, performance and reliability. Designed to...
      Compliant with the strictest standards for qualityExpertly crafted using the up-to-date technology
      $3.36 - $3.72
    • (0 reviews)
      # mpn697812396
      OE Solutions™ Turbocharger Speed Sensor by Dorman®. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of quality, performance and reliability. Designed to...
      OE quality parts from top original equipment and aftermarket manufacturersThe finest quality at a great price
      $193.95
    • (0 reviews)
      # mpn771429773
      OE Solutions™ Turbocharger Vane Position Solenoid by Dorman®. Restore proper boost pressure with Dorman’s Turbocharger Wastegate Solenoid. An easy, fast replacement, our Wastegate Solenoid helps the engine function powerfully and...
      Restores engine to proper performancePrevents engine damage
      $120.95
    • (0 reviews)
      # sp133424
      OE Solutions™ Variable Timing Eccentric Shaft Sensor by Dorman®. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of quality, performance and reliability....
      OE quality parts from top original equipment and aftermarket manufacturersThe finest quality at a great price
      $222.95 - $244.95
    • (0 reviews)
      # mpn2339339
      TECHoice™ Camshaft Position Sensor by Dorman®. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of quality, performance and reliability. Designed to provide a...
      OE quality parts from top original equipment and aftermarket manufacturersThe finest quality at a great price
      $20.09
    • (0 reviews)
      # sp25872
      Camshaft Position Sensor by Genuine®. Is your vehicle feeling down on power? Do you see dark puddles on the ground when you park? Is your CHECK ENGINE light on? Your engine may be in need of repair, but before you waste your time and...
      OE quality parts from top original equipment and aftermarket manufacturersThe finest quality at a great price
      $11.90 - $383.31
    • (0 reviews)
      # sp133526
      Crankshaft Position Sensor by Genuine®. If your engine parts is in need of repair, don’t compromise the performance and safety of your car with suspect, off-brand replacement parts from the local auto parts chain store. On our website...
      Designed to restore your vehicle’s engine partsGenuine OE replacement parts from the OE manufacturer
      $5.10 - $354.95
    • (0 reviews)
      # mpn4522027102
      Crankshaft Sensor Adapter by Genuine®. If your engine parts is in need of repair, don’t compromise the performance and safety of your car with suspect, off-brand replacement parts from the local auto parts chain store. On our website...
      Designed to restore your vehicle’s engine partsGenuine OE replacement parts from the OE manufacturer
      $42.00
    • (0 reviews)
      # sp133530
      Cylinder Head Temperature Sensor by Genuine®. If your engine parts is in need of repair, don’t compromise the performance and safety of your car with suspect, off-brand replacement parts from the local auto parts chain store. On our...
      Designed to restore your vehicle’s engine partsGenuine OE replacement parts from the OE manufacturer
      $9.96 - $91.33
    • (0 reviews)
      # sp133548
      Oil Level Sensor by Genuine®. If your engine parts is in need of repair, don’t compromise the performance and safety of your car with suspect, off-brand replacement parts from the local auto parts chain store. On our website you'll...
      Designed to restore your vehicle’s engine partsGenuine OE replacement parts from the OE manufacturer
      $11.31 - $385.16
    • (0 reviews)
      # mpn4522027400
      Oil Pressure Sender by Genuine®. Designed utilizing the latest technology, this product by Genuine features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it is manufactured to meet or...
      OE quality fluids from top original equipment and aftermarket manufacturersThe finest quality at a great price
      $174.56
    • (0 reviews)
      # sp133549
      Oil Pressure Switch by Genuine®. If your engine parts is in need of repair, don’t compromise the performance and safety of your car with suspect, off-brand replacement parts from the local auto parts chain store. On our website you'll...
      Designed to restore your vehicle’s engine partsGenuine OE replacement parts from the OE manufacturer
      $14.11 - $263.11
    • (2 reviews)
      # sp133660
      Camshaft Position Sensor by Spectra Premium®. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of quality, performance and reliability. Designed to provide a...
      Compliant with the strictest standards for qualityExpertly crafted using the up-to-date technology
      $7.31 - $358.67
    • (0 reviews)
      # sp133661
      Crankshaft Position Sensor by Spectra Premium®. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of quality, performance and reliability. Designed to provide a...
      Compliant with the strictest standards for qualityExpertly crafted using the up-to-date technology
      $7.12 - $601.88
    • (0 reviews)
      # sp27480
      Engine Oil Level Sensor Cover by Spectra Premium®. This oil pan is designed to provide OE quality, fit, and performance. It's manufactured using Spectra Premium's engineering analysis and deep knowledge of the oil pan manufacturing...
      Stores the engine oil and protects the the bottom of the vehicle's engine from road debrisManufactured using both spot welding and baffle processes to ensure OE design and fit
      $6.38
    • (0 reviews)
      # sp14414
      Turbocharger Vane Position Sensor by Spectra Premium® Designed utilizing the latest technology, this product by Spectra Premium features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it...
      Right for your vehicle and lifestyleMade from high-quality materials for ultimate durability
      $111.63
    • (3 reviews)
      # sp6423
      Camshaft Position Sensor by Beck Arnley®. For one hundred years, Beck/Arnley has been providing premium OE quality parts for vehicles. Beginning with motorcycle parts in 1914 and transitioning to import vehicles in the 1950’s, brand...
      OE quality products from top original equipmentTop quality materials
      $16.38 - $696.36
    • (1 review)
      # sp9428
      Crankshaft Position Sensor by Beck Arnley®. For one hundred years, Beck/Arnley has been providing premium OE quality parts for vehicles. Beginning with motorcycle parts in 1914 and transitioning to import vehicles in the 1950’s, brand...
      OE quality products from top original equipmentTop quality materials
      $11.15 - $824.66




    During vehicle operation, an assortment of sensors, senders, and switches sends voltage signals to an engine control system computer, called the Powertrain Control Module (PCM) or Engine Control Module (ECM). These voltage signals indicate engine load, vehicle speed, temperature, and other variables, and the computer uses the information to control the air/fuel mixture, ignition timing, emissions devices like the EGR valve, and dash indicators.

    The oxygen (O2) sensor compares the oxygen content of the exhaust with the oxygen present in atmosphere and varies the voltage signal sent to the PCM/ECM accordingly. The computer uses the information to control fuel flow to maintain the air/fuel ratio for optimal performance, and lowest emissions. There are at least two O2 sensors, one located in the exhaust stream before the catalytic converter, and one afterward, also known as the catalyst monitor.

    To know when to inject fuel and fire the spark plugs, the PCM/ECM needs to know the position of the valves in relation to the pistons and the rotational speed of the crankshaft. The Camshaft Position (CMP) sensor and Crankshaft Position (CKP) sensor provide these signals. Ignition timing is further controlled through the Knock Sensor (KS), which sends a voltage signal to the computer if vibration caused by detonation is detected, enabling the computer to retard spark advance and prevent engine damage.

    The Throttle Position Sensor (TPS) signals the computer the position of the throttle shaft, indicating how fast you want to go. The PCM/ECM uses this information along with the Mass Air Flow (MAF) sensor signal, to calculate engine load, with increased load requiring more fuel. The Engine Coolant and Intake Air Temperature, supplied by the ECT and IAT sensors respectively, enable the computer to richen the mixture and increase spark advance when the engine is cold and then lean it out and retard timing as the engine warms up. Cooling fan operation and EGR valve opening also rely on temperature signals to the computer.

    The Power Steering (PS) switch and A/C sensor signal the computer that there is increased load from power steering pump (such as during parking maneuvers) and A/C compressor operation, so the PCM/ECM can raise idle speed to prevent stalling. A brake switch can signal the computer to turn off the cruise control or disengage the torque converter clutch. The PCM/ECM also controls the dash gauges on modern vehicles, relying on input from an oil pressure sender, the Vehicle Speed Sensor (VSS), and the ECT sensor. Charging system operation, and the related dash gauge or warning light, are also controlled by the PCM/ECM.

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    Engine Sensors, Relays, Switches Reviews

    Average rating:    4.5 - 48 reviews
    4.8 of 5
    Perfect Fit
    It fits my 02 Honda Civic ex coupe perfectly. I can feel the difference in power acceleration!
    Posted by George (Manville, NJ) / October 2, 20182002 Honda Civic
    Was this review helpful for you? Yes
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