1. Car & Truck Ignition Systems Components Products
  2. sku: 8723253263813792
  3. GM 12690555

12690555 GM GENUINE PARTS Ignition Knock Detonation Sensor

12690555 GM GENUINE PARTS Ignition Knock Detonation Sensor
Value List
BrandGM GENUINE PARTS
Manufacturer Part Number12690555
Part TypeIGNITION SENSOR
Genuine OemYES
Manufacturer Warranty1 YEAR
Universal FitmentDIRECT REPLACEMENT

Review GM GENUINE PARTS Ignition Knock Detonation Sensor

The GM 12690555 Ignition Knock Detonation Sensor is an essential component of modern automotive engine management systems. Designed to monitor the engine for signs of detonation, also known as knocking or pinging, this sensor plays a crucial role in maintaining optimal engine performance and ensuring longevity.

The ignition knock detonation sensor is a sophisticated electronic device that utilizes advanced microelectromechanical systems (MEMS) technology to detect minute vibrations in the engine caused by detonation. These vibrations, which can be harmful if left unchecked, are the result of premature ignition of the fuel-air mixture in the engine cylinders.

The sensor is typically located in the crankcase or near the engine block, where it can effectively monitor the vibrations caused by the engine's combustion process. It employs a piezoelectric element to convert the mechanical energy of the engine's vibrations into electrical signals, which are then transmitted to the engine control module (ECM) for analysis.

The ECM uses the information from the ignition knock detonation sensor to adjust the ignition timing and fuel delivery accordingly, helping to prevent knocking and promote smoother engine operation. In some cases, the sensor may also trigger warning lights or activate engine warning systems when knocking is detected, alerting the driver to potential engine issues.

The GM 12690555 Ignition Knock Detonation Sensor is a high-precision component that requires a clean and stable operating environment. It is designed to operate within a specific temperature and voltage range and is protected against overvoltage and overtemperature conditions to ensure reliable operation.

The sensor is also designed with a built-in self-diagnostic feature, which allows it to monitor its own health and report any faults to the ECM. This helps ensure that any issues with the sensor are identified and addressed promptly, minimizing the risk of engine damage or reduced performance.

In conclusion, the GM 12690555 Ignition Knock Detonation Sensor is a vital component in modern engine management systems, designed to monitor the engine for signs of detonation and help maintain optimal engine performance. Its advanced piezoelectric technology and self-diagnostic capabilities make it a reliable and effective solution for detecting and addressing engine knocking, ensuring a smooth and efficient driving experience.

Pros and Cons of Buying GM 12690555 Ignition Knock Detonation Sensor

The GM 12690555 Ignition Knock Detonation Sensor is an essential component of a vehicle's engine management system. This sensor helps in detecting and preventing engine knocking, ensuring optimal engine performance. Let's examine the pros and cons of purchasing this part.

Pros:

1. Enhanced Engine Performance: The primary function of this sensor is to detect engine knocking and prevent it, leading to better engine performance and improved fuel efficiency.

2. Longer Engine Life: By preventing engine knocking, the sensor ensures the engine operates under optimal conditions, reducing the risk of engine damage and extending its life.

3. Increased Safety: Engine knocking can be dangerous and potentially lead to engine failure. This sensor helps prevent knocking, making the vehicle safer to operate.

4. OEM Quality: The GM 12690555 Ignition Knock Detonation Sensor is a genuine OEM (Original Equipment Manufacturer) part, ensuring it is designed specifically for your vehicle and meets the manufacturer's quality standards.

5. Improved Driveability: A faulty ignition knock detonation sensor can result in rough idling, poor acceleration, and other driveability issues. Replacing the faulty sensor can help resolve these problems.

Cons:

1. Cost: OEM parts like the GM 12690555 Ignition Knock Detonation Sensor can be more expensive compared to aftermarket alternatives.

2. Installation Complexity: Installing the sensor can be a complex process that requires specific tools and knowledge, potentially necessitating professional help.

3. Availability: Depending on the vehicle model and the region, it may take some time to locate and purchase this sensor.

4. Potential for False Positives: The sensor may sometimes detect engine knocking even when it's not present, leading to unnecessary fault codes and repairs.

Conclusion:

The GM 12690555 Ignition Knock Detonation Sensor plays a crucial role in maintaining optimal engine performance, ensuring engine safety, and prolonging engine life. The pros of purchasing this part, such as enhanced engine performance, longer engine life, increased safety, OEM quality, and improved driveability, outweigh the cons, which include cost, installation complexity, availability, and potential for false positives.

If you are experiencing engine knocking or related issues, it is recommended to replace the ignition knock detonation sensor with a genuine OEM part like the GM 12690555 to ensure optimal engine performance and safety. However, it's essential to consider the cost and installation complexity before making the purchase. If you are comfortable working on your vehicle and have the necessary tools, you may choose to install the sensor yourself to save on labor costs. Otherwise, consider hiring a professional mechanic to ensure a proper installation.

Details:

Found a better price. Genuine Gm ignition knock detonation sensor 12690555:: sends signals to the engine control module ecm adjust timing helps prevent damage caused by pre-ignition. Changed my mind. Just didn't like it.

specifications ignitioncomp:

  • brand: Gm Genuine Parts
  • mpn: 12690555
  • part type: Ignition Sensor
  • genuine oem: Yes
  • manufacturer warranty: 1 Year
  • universal fitment: Direct Replacement

general ignitioncomp:

  • category: Auto Parts > Car Truck Accessories > Ignition Systems Components

offer ignitioncomp:

  • started: may 18, 2025
  • price: $27.16
  • item condition: New
  • in stock #: 1
  • availability: in stock
  • sold #: 20
  • options: ship-to-home

returns ignitioncomp:

  • paid by: buyer
  • policy: returns accepted
  • time: 30 days

payments ignitioncomp:

  • wallet: google-pay
  • other
  • credit card: visa

shipping ignitioncomp:

  • class: standard
  • carrier: fedex
  • type: fixed
  • transit: 4-11 days
  • service: fedex ground or fedex home delivery

seller ignitioncomp:

  • # reviews: 19058
  • city: garland, texas
  • rating: 96.6%
rating: 96.6% out of 100 based on 58 user ratings.
Similar Items:
ignitioncomp logo
1 offer $27.16 USD
  • New. USA Seller
© ignitioncomp.com