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NTK Crankshaft Pulse Sensor - 81029

NTK Crankshaft Pulse Sensor - 81029

The NTK Crankshaft Pulse Sensor (Part Number 81029) is a high-quality replacement component design...

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eBayNGK CMC3-A030 81029 Crankshaft Sensor
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AutodocNGK Impulse Sensor OPEL,BMW,FORD 81029 DBC2144,DBC2144,12141710668 12141710699,12521279695,91153898,91153898,91153898,91153898,7072657,V94DD6C315AA
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Product Information

Full details

The NTK Crankshaft Pulse Sensor (81029) is designed for automotive technicians and DIY enthusiasts looking to restore engine performance and ignition timing precision. It excels at delivering high-accuracy crankshaft position and speed data, which is essential for smooth idling and efficient fuel combustion; however, users should verify exact engine code compatibility before purchase as vehicle-specific electronics can be sensitive to sensor variations.

All features

Model Part Number81029
BrandNGK

Extended Product Information

FAQs

How do I know if my sensor is bad?

Common symptoms include hard starting, engine stalling, or check engine lights displaying codes related to crankshaft position timing.

Does this sensor come with a mounting bolt?

This sensor includes the cable and connector; please refer to your specific vehicle repair manual to see if you should reuse the original bolt or source a new one.

Can I use this on any BMW?

No, compatibility is specific to certain engine codes and years; always check your VIN or engine code against the manufacturer's compatibility list.

What is the purpose of the 3-pin connector?

The three pins typically carry a reference voltage, a ground connection, and the signal output back to the engine computer.

Is diagnostic software required after installation?

While the engine may run without it, using diagnostic software to clear stored codes ensures the ECU immediately adopts the new sensor data.

Troubleshooting

Engine continues to misfire after installation

Clear the fault codes using an OBD-II scanner and check for proper seating of the connector.

Sensor signal is weak or intermittent

Inspect the wiring harness for signs of heat damage or fraying that may have occurred prior to the sensor replacement.

Engine will not start at all

Verify that the sensor is installed at the correct air-gap distance from the trigger wheel, as specified in your vehicle's service manual.

Pros and Cons

Pros

  • High-precision output for reliable ignition timing
  • Durable construction ensures long-term operational stability
  • Easy installation with included wiring cable
  • Broad compatibility across major European and global brands

Cons

  • Requires specific engine code verification
  • May require diagnostic software reset after installation
  • Professional installation recommended due to tight engine bay access

Setup, Compatibility & Care

Before installation, disconnect the negative battery terminal to prevent electrical shorts. Locate the crankshaft sensor—usually mounted near the flywheel or the front of the crankshaft pulley. Remove the old sensor, clean the mounting surface of any debris or oil residue, and install the NTK 81029 securely. Ensure the connector 'clicks' firmly into place. This part is compatible with select models from BMW, Opel, Ford, Volvo, Land Rover, Porsche, and Vauxhall. To ensure longevity, avoid spraying high-pressure water or harsh chemical cleaners directly onto the electrical connector during engine bay detailing.

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