038957147F Crankshaft Position Sensor

Product Description

038957147F

The 038957147F crankshaft position sensor is a Hall-effect precision sensing component exclusively for VW Group 1.2 HTP gasoline engines. Mounted on engine cylinder block, it collects real-time crankshaft rotating speed & angular position signals and transmits digital pulse signals to ECU. Based on feedback data, ECU accurately controls fuel injection timing and ignition sequence, guaranteeing smooth cold startup, stable idle speed, optimized fuel consumption and lowered exhaust pollutants. It is a direct OE replacement spare compatible with Volkswagen, Skoda, Seat small-displacement vehicles.

• Integrated A/D converter and digital signal processing with a dynamically adaptive switch point improves accuracy and operation

  Advanced circuitry protects the system from stray electro-magnetic fields and power spikes

• Custom magnetic circuit programming calibrates the sensor while performance testing for improved timing accuracy between the target wheel and sensor output

• 100% environmental, endurance and end-of-line testing for Timing, Pulse Width and Signal Amplitude ensures consistent product reliability

  Featuring the broadest sensor coverage in the market, they meet the service professionals needs with the highest quality product every time he opens the box

• As a global manufacturer of emission components, complete quality control is maintained through the manufacturing process from componentry to finished product

• Signal Response Speed: Standard Hall-type sensor instantly captures tooth pulse from crank trigger wheel; contaminated or aging sensor causes signal delay leading to hard cold start.

• Digital Output Waveform: Qualified part outputs neat square digital signal; defective unit appears intermittent missing pulse and triggers engine fault code P0335/P0336.

• Operating Ambient Adaptability: Normal working range covers full engine working temperature; inferior parts fail signal output under extreme low temperature or overheat.

• Rated Service Life: Normal effective service mileage: 70,000~140,000 KM, service life shortened by engine oil leakage, excessive dust and high engine operating temperature.

• Input Rated Voltage: Standard 5V DC power supply from vehicle ECU, overvoltage will burn internal Hall chip permanently.

• Hall Sensing Head: Core detection part with built-in magnet & Hall wafer to convert crank tooth rotation into standard digital signal.

• Mini Internal PCB: Onboard filter circuit stabilizes raw signal and removes clutter interference before output to ECU.

• Integrated Plastic Housing: High-temperature resistant engineering plastic shell with integral mounting flange and pre-installed O-ring seal for anti-oil & waterproof.

• 3-Pin OEM Connector: Standard black automotive plug with tin-plated copper terminals, anti-oxidation design for stable circuit connection.

• Built-in Rubber Seal Ring: Pre-assembled sealing gasket avoids engine oil seepage into installation gap to protect internal components.

This sensor is a direct replacement for the following OE numbers:

038907319D, 038957147D, 038957147F, 1100749, 1358961, 1424270, 1431016, 1431017, 6M216C315AA, 6M216C315BA, 6M216C315CA, XM216C315AA, XM216C315AB

• Always disconnect vehicle battery before installation to prevent ECU circuit burnout.

• Wipe mounting base on cylinder block to clear residual oil and dirt for flat fitting and good sealing.

• Do not knock or scratch front sensing probe during mounting; collision will damage internal Hall chip permanently.

• After installation, connect OBD diagnostic scanner to erase related crankshaft sensor fault codes and test cold & hot engine startup.

• Replace sensor when encountering no-crank no-start, intermittent stalling, rough idle or illuminated engine malfunction warning lamp.

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