HomeEmission Control > SensorsBeck Arnley 158-1796 Ignition Knock (Detonation) Sensor
Part #: 158-1796

Beck Arnley 158-1796 Ignition Knock (Detonation) Sensor

⚙️ 26 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Toyota, 4Runner, T100, Tacoma, and Tundra
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Reliable Ignition Knock Sensor for Toyota Vehicles

The Beck Arnley 158-1796 ignition knock sensor is designed to detect engine knocking and detonation in select Toyota models. This sensor helps maintain optimal engine performance by providing accurate feedback to the engine control unit.

  • Compatible with Toyota 4Runner, T100, Tacoma, and Tundra models
  • Part number 158-1796 ensures precise fit and function
  • Monitors engine knock to prevent damage and improve efficiency
  • Direct replacement sensor for emission control systems
  • Manufactured by Beck Arnley, a trusted name in automotive parts

Product Details and Functionality

The Beck Arnley ignition knock sensor 158-1796 is an essential component in the emission control system of Toyota 4Runner, T100, Tacoma, and Tundra vehicles. It detects vibrations caused by engine knock or detonation and sends signals to the engine control module (ECM). This feedback allows the ECM to adjust ignition timing and fuel delivery, reducing harmful emissions and protecting the engine from potential damage. The sensor is engineered to meet OEM specifications, ensuring reliable performance and durability under various driving conditions.

Common Applications and Problem Resolution

  • Prevents engine knocking and pinging noises
  • Helps reduce engine misfires and rough idling
  • Supports emission control compliance by accurate knock detection
  • Improves fuel efficiency by optimizing ignition timing
  • Protects engine components from detonation-related damage

Installation Notes and Tips

When replacing the ignition knock sensor 158-1796 on Toyota 4Runner, T100, Tacoma, or Tundra models, ensure the engine is cool before starting. Locate the sensor near the engine block and disconnect the electrical connector carefully. Avoid overtightening the sensor during installation to prevent damage. Refer to the vehicle’s service manual for torque specifications and sensor location details to ensure proper installation.

Quality Assurance and Warranty

Beck Arnley parts are manufactured to meet or exceed OEM standards, providing reliable performance and longevity. The ignition knock sensor 158-1796 undergoes rigorous quality control testing to ensure consistent operation. Warranty coverage details can be obtained from the product documentation or authorized distributors.

This part fits 26 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2004ToyotaTacoma3.4LV6N/AKIT; Matsushita Type
2004ToyotaTundra3.4LV6N/AKIT; Matsushita Type
2003ToyotaTacoma3.4LV6N/AKIT; Matsushita Type
2003ToyotaTundra3.4LV6N/AKIT; Matsushita Type
2002Toyota4Runner3.4LV6N/AKIT; Matsushita Type
2002ToyotaTacoma3.4LV6N/AKIT; Matsushita Type
2002ToyotaTundra3.4LV6N/AKIT; Matsushita Type
2001Toyota4Runner3.4LV6N/AKIT; Matsushita Type
2001ToyotaTacoma3.4LV6N/AKIT; Matsushita Type
2001ToyotaTundra3.4LV6N/AKIT; Matsushita Type
2000Toyota4Runner3.4LV6N/AKIT; Matsushita Type
2000ToyotaTacoma3.4LV6N/AKIT; Matsushita Type
2000ToyotaTundra3.4LV6N/AKIT; Matsushita Type
1999Toyota4Runner3.4LV6N/AKIT; Matsushita Type
1999ToyotaTacoma3.4LV6N/AKIT; Matsushita Type
1998Toyota4Runner3.4LV6N/AKIT; Matsushita Type
1998ToyotaT1003.4LV6N/AKIT; Matsushita Type
1998ToyotaTacoma3.4LV6N/AKIT; Matsushita Type
1997Toyota4Runner3.4LV6N/AKIT; Matsushita Type
1997ToyotaT1003.4LV6N/AKIT; Matsushita Type
1997ToyotaTacoma3.4LV6N/AKIT; Matsushita Type
1996Toyota4Runner3.4LV6N/AKIT; Matsushita Type
1996ToyotaT1003.4LV6N/AKIT; Matsushita Type
1996ToyotaTacoma3.4LV6N/AKIT; Matsushita Type
1995ToyotaT1003.4LV6N/AKIT; Matsushita Type
1995ToyotaTacoma3.4LV6N/AKIT; Matsushita Type

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