HomeWalker 242-1204 Ignition Knock (Detonation) Sensor
Part #: 242-1204

Walker 242-1204 Ignition Knock (Detonation) Sensor

Walker Products
45 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Walker Products
Fitment: Ford, Mazda, and Mercury, Mustang, F-150, Freestar, Taurus, B3000, Monterey, and Sable
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Overview of Walker Ignition Knock Sensor 242-1204

The Walker Products Ignition Knock (Detonation) Sensor 242-1204 is designed for precise engine monitoring in select Ford, Mazda, and Mercury vehicles. This sensor helps detect engine knock to optimize performance and protect engine components.

  • Compatible with Ford F-150, Mustang, Freestar, Taurus
  • Fits Mazda B3000 and Mercury Sable models
  • Part number 242-1204 ensures exact replacement
  • Monitors engine detonation for improved ignition timing
  • Durable construction for reliable long-term use

Product Details and Brand Line Information

This ignition knock sensor is part of the Walker Products line, known for its focus on emission control components. Walker Products specializes in sensors that meet OEM specifications, providing accurate engine feedback to maintain emission standards and engine efficiency. The 242-1204 sensor integrates seamlessly with the vehicle’s engine management system to detect abnormal combustion events and help prevent engine damage.

Function and Application of the Ignition Knock Sensor

The ignition knock sensor detects vibrations caused by engine knock or detonation, sending signals to the engine control unit (ECU) to adjust ignition timing accordingly. This sensor is essential for maintaining engine performance and preventing damage in the following vehicles:

  • Ford F-150 pickup trucks
  • Mazda B3000 models
  • Mercury Sable sedans
  • Ford Mustang and Taurus vehicles
  • Ford Freestar minivans

Common Issues Addressed by Part Number 242-1204

  • Engine knocking or pinging noises
  • Reduced fuel efficiency due to improper ignition timing
  • Check engine light triggered by knock sensor faults
  • Engine hesitation or poor acceleration
  • Potential engine damage from uncontrolled detonation

Installation Notes and Tips

When installing the Walker 242-1204 knock sensor, ensure the engine is cool and disconnect the battery before beginning. Locate the sensor on the engine block as specified in the vehicle’s service manual. Use the correct torque specifications to avoid sensor damage. Verify electrical connections are secure and free of corrosion to maintain accurate signal transmission.

Quality Assurance and Warranty

Walker Products maintains strict quality control standards for their emission control sensors, including the 242-1204 knock sensor. Each unit is tested to meet OEM performance criteria. While specific warranty details may vary, Walker typically offers coverage against manufacturing defects to ensure reliability and customer confidence.

This part fits 45 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
2010FordMustang5.4LV8N/AWalker Products
2008FordF-1504.2LV6N/AWalker Products
2007FordF-1504.2LV6N/AWalker Products
2007FordFreestar4.2LV6N/AWalker Products
2007FordFreestar3.9LV6N/AWalker Products
2007FordTaurus3.0LV6N/AWalker Products
2007MazdaB30003.0LV6N/AWalker Products
2006FordF-1504.2LV6N/AWalker Products
2006FordFreestar4.2LV6N/AWalker Products
2006FordFreestar3.9LV6N/AWalker Products
2006FordTaurus3.0LV6GASN/AWalker Products
2006FordTaurus3.0LV6FLEXN/AWalker Products
2006MazdaB30003.0LV6N/AWalker Products
2005FordF-1504.2LV6N/AWalker Products
2005FordFreestar4.2LV6N/AWalker Products
2005FordFreestar3.9LV6N/AWalker Products
2005FordTaurus3.0LV6GASN/AWalker Products
2005FordTaurus3.0LV6FLEXN/AWalker Products
2005FordTaurus3.0LV6N/AWalker Products
2005MazdaB30003.0LV6N/AWalker Products
2005MercurySable3.0LV6GASN/AWalker Products
2005MercurySable3.0LV6FLEXN/AWalker Products
2005MercurySable3.0LV6N/AWalker Products
2004FordFreestar4.2LV6N/AWalker Products
2004FordFreestar3.9LV6N/AWalker Products
2004FordTaurus3.0LV6GASN/AWalker Products
2004FordTaurus3.0LV6N/AWalker Products
2004FordTaurus3.0LV6FLEXN/AWalker Products
2004MazdaB30003.0LV6N/AWalker Products
2004MercurySable3.0LV6GASN/AWalker Products
2004MercurySable3.0LV6FLEXN/AWalker Products
2004MercurySable3.0LV6N/AWalker Products
2003FordTaurus3.0LV6GASN/AWalker Products
2003FordTaurus3.0LV6N/AWalker Products
2003FordTaurus3.0LV6FLEXN/AWalker Products
2003MazdaB30003.0LV6FLEXN/AWalker Products
2003MazdaB30003.0LV6GASN/AWalker Products
2003MercurySable3.0LV6GASN/AWalker Products
2003MercurySable3.0LV6FLEXN/AWalker Products
2003MercurySable3.0LV6N/AWalker Products
2002FordTaurus3.0LV6GASN/AWalker Products
2002FordTaurus3.0LV6FLEXN/AWalker Products
2002MazdaB30003.0LV6FLEXN/AWalker Products
2002MazdaB30003.0LV6GASN/AWalker Products
2002MercurySable3.0LV6N/AWalker Products

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

149KNS00064158-16441F21-18-921213-18122R3Z 12A699-AAKS131S8738

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.