Walker Crankshaft Pulse Sensor - 235-1044

This Walker 235-1044 Crankshaft Pulse Sensor is designed for various vehicle models. It is manufac...

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OnBuy.comWalker Products 235-1044 Crankshaft Position Sensor For 2005-2007 Chevrolet 2.0L 4 Cyl Cobalt 724620106460
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Product Information

Full details

This Walker 235-1044 Crankshaft Pulse Sensor is designed for automotive technicians and DIY enthusiasts seeking a reliable replacement part for specific ALFA ROMEO, FIAT, OPEL, SAAB, VAUXHALL, CHEVROLET, GENERAL MOTORS, CITROËN/PEUGEOT, and SATURN vehicles. Its key benefit is restoring proper engine timing and performance by accurately detecting crankshaft rotation. A caveat to be aware of is that voucher codes and discounts do not apply to potential surcharges on this specific part.

All features

Model Part Number235-1044
BrandWalker

Extended Product Information

FAQs

What does a crankshaft pulse sensor do?

A crankshaft pulse sensor, also known as a crankshaft position sensor, monitors the rotational speed and position of the crankshaft. This information is sent to the engine control module (ECM) to manage ignition timing and fuel injection.

How do I know if my crankshaft pulse sensor needs replacement?

Symptoms of a failing sensor include a check engine light, rough idling, stalling, misfires, difficulty starting, or a no-start condition. Diagnostic trouble codes (DTCs) related to the crankshaft position sensor are also a strong indicator.

Is this sensor compatible with my car?

The Walker 235-1044 is compatible with specific ALFA ROMEO, FIAT, OPEL, SAAB, VAUXHALL, CHEVROLET, GENERAL MOTORS, CITROËN/PEUGEOT, and SATURN models. Please verify compatibility using the OEM part numbers: 71739685 and 12789959.

Can I install this sensor myself?

Yes, installation is typically a straightforward process for those with basic automotive mechanical knowledge. However, ensure you follow proper safety procedures and torque specifications. If you are unsure, professional installation is recommended.

What is the warranty on this part?

Please refer to the retailer's or manufacturer's warranty information for specific details regarding the warranty coverage for the Walker 235-1044 Crankshaft Pulse Sensor.

Does this part come with any mounting hardware?

Typically, replacement sensors come with the sensor itself. Mounting hardware, if required, may need to be sourced separately. Please check the product packaging or consult the retailer.

What is the difference between a crankshaft and camshaft sensor?

The crankshaft sensor measures the crankshaft's speed and position, crucial for ignition and fuel timing. The camshaft sensor measures the camshaft's position, used by the ECM to determine which cylinder is firing for sequential fuel injection and valve timing.

Troubleshooting

Engine misfires or runs rough

Ensure the sensor is securely installed and the electrical connector is clean and firmly seated. Verify compatibility with your vehicle.

Check Engine Light is on with related codes (e.g., P0335, P0336)

Confirm the sensor is the correct part for your vehicle and has been installed correctly. Check wiring for any damage. If the issue persists, the ECM may require diagnosis.

Engine will not start

Double-check the sensor installation and electrical connection. A faulty sensor can cause a no-start condition. If confirmed faulty, ensure the replacement is correctly installed.

Intermittent stalling or poor performance

Inspect the wiring harness connected to the sensor for any signs of damage or corrosion. Ensure the sensor is properly grounded.

Pros and Cons

Pros

  • Ensures accurate engine timing and smooth running.
  • Restores lost power and fuel efficiency caused by sensor failure.
  • Direct replacement for easy installation in compatible vehicles.
  • Meets or exceeds original equipment manufacturer standards.
  • Reliable performance from a reputable automotive parts brand.

Cons

  • Limited compatibility; only fits specific vehicle makes and models.
  • Potential for surcharges, as voucher codes and discounts may not apply.
  • Requires professional diagnosis to confirm sensor failure before replacement.

Setup, Compatibility & Care

Compatibility:

Before purchasing, verify that the Walker 235-1044 Crankshaft Pulse Sensor is compatible with your specific vehicle make, model, and year. Check the OEM part numbers it replaces: 71739685 for ALFA ROMEO and FIAT, and 12789959 for OPEL, SAAB, VAUXHALL, CHEVROLET, GENERAL MOTORS, CITROËN/PEUGEOT, and SATURN vehicles.

Setup:

  1. Safety First: Ensure the engine is cool and the battery is disconnected before starting any work.
  2. Locate Sensor: The crankshaft position sensor is typically located on or near the engine block, often close to the flywheel or crankshaft pulley.
  3. Remove Old Sensor: Disconnect the electrical connector and unbolt the old sensor.
  4. Install New Sensor: Lightly lubricate the O-ring (if applicable) and install the new Walker 235-1044 sensor, tightening the mounting bolts to the manufacturer's specified torque.
  5. Reconnect Connector: Plug the electrical connector firmly into the new sensor.
  6. Reconnect Battery: Reconnect the vehicle's battery.
  7. Test: Start the engine and check for proper operation. Clear any diagnostic trouble codes (DTCs) with an OBD-II scanner.

Care:

Crankshaft pulse sensors are generally maintenance-free components. However, it is advisable to keep the sensor area clean from excessive dirt and oil to ensure optimal performance and longevity. Regular engine bay cleaning can help prevent debris buildup.

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