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Beck Arnley 158-1664 Ignition Knock (Detonation) Sensor
Reliable Ignition Knock Sensor for Saab and Subaru Vehicles
The Beck Arnley 158-1664 Ignition Knock (Detonation) Sensor is designed to monitor engine vibrations and detect knocking in select Saab and Subaru models. This sensor helps maintain optimal engine performance by providing accurate feedback to the engine control unit.
- Compatible with Saab 9-2X and Subaru Forester, Impreza, Legacy, Outback, WRX STI
- Part number 158-1664 ensures precise fit and function
- Monitors engine detonation to prevent damage
- Detects knocking caused by lead-related combustion issues
- Durable construction for consistent sensor performance
Product Details and Chemical Considerations
This ignition knock sensor is engineered to detect engine knock, which can be influenced by the presence of lead in fuel or combustion byproducts. Lead can affect sensor readings and engine performance, making the sensor's accuracy critical for vehicles like the Saab 9-2X and Subaru WRX STI. The Beck Arnley 158-1664 sensor provides reliable detection to help the engine control unit adjust ignition timing and prevent damage caused by detonation.
Common Applications and Problem Resolution
- Helps prevent engine knocking and pinging in Subaru Impreza and Legacy models
- Assists in maintaining proper ignition timing for Saab 9-2X
- Reduces risk of engine damage due to detonation in Subaru Outback and Forester
- Improves fuel efficiency by ensuring accurate knock detection
- Supports emission control by monitoring combustion irregularities
Installation Notes and Tips
When installing the Beck Arnley 158-1664 ignition knock sensor, ensure the engine is cool and disconnect the battery to avoid electrical issues. Proper torque specifications should be followed to avoid sensor damage. Verify sensor wiring connections are secure and free of corrosion to maintain signal integrity. This sensor is designed for direct replacement on compatible Saab and Subaru models, simplifying installation.
Quality Assurance and Warranty Information
Beck Arnley parts undergo rigorous testing to meet OEM standards for fit, form, and function. The 158-1664 ignition knock sensor is manufactured to provide consistent performance and durability. While specific warranty details may vary, Beck Arnley typically offers coverage against defects in materials and workmanship to ensure customer confidence in the product.
| Brand | Beck Arnley |
|---|---|
| Part Number | 158-1664 |
| Are You Using The Long Form Warning | Y |
| Chemical(s) at Issue | LEAD |
This part fits 38 vehicles. Search below:
| Year | Make | Model | Submodel | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2021 | Subaru | WRX STI | 2.5L | H4 | N/A | ||
| 2020 | Subaru | WRX STI | 2.5L | H4 | N/A | ||
| 2019 | Subaru | WRX STI | 2.5L | H4 | N/A | ||
| 2018 | Subaru | WRX STI | 2.5L | H4 | N/A | ||
| 2017 | Subaru | WRX STI | 2.5L | H4 | N/A | ||
| 2016 | Subaru | WRX STI | 2.5L | H4 | N/A | ||
| 2015 | Subaru | WRX STI | 2.5L | H4 | N/A | ||
| 2013 | Subaru | Forester | 2.5L | H4 | N/A | With Harness | |
| 2012 | Subaru | Forester | 2.5L | H4 | N/A | With Harness | |
| 2011 | Subaru | Forester | 2.5L | H4 | N/A | With Harness | |
| 2011 | Subaru | Impreza | 2.5L | H4 | N/A | ||
| 2010 | Subaru | Forester | 2.5L | H4 | N/A | ||
| 2010 | Subaru | Impreza | 2.5L | H4 | N/A | ||
| 2009 | Subaru | Forester | 2.5L | H4 | N/A | ||
| 2009 | Subaru | Impreza | 2.5L | H4 | N/A | ||
| 2009 | Subaru | Legacy | 2.5L | H4 | N/A | ||
| 2009 | Subaru | Outback | 2.5i | 2.5L | H4 | N/A | |
| 2009 | Subaru | Outback | 2.5i Limited | 2.5L | H4 | N/A | |
| 2008 | Subaru | Forester | 2.5L | H4 | N/A | ||
| 2008 | Subaru | Impreza | 2.5L | H4 | N/A | ||
| 2008 | Subaru | Legacy | 2.5L | H4 | N/A | ||
| 2008 | Subaru | Outback | 2.5i | 2.5L | H4 | N/A | |
| 2008 | Subaru | Outback | 2.5i Limited | 2.5L | H4 | N/A | |
| 2007 | Subaru | Forester | 2.5L | H4 | N/A | ||
| 2007 | Subaru | Impreza | 2.5L | H4 | N/A | ||
| 2007 | Subaru | Legacy | 2.5L | H4 | N/A | ||
| 2007 | Subaru | Outback | 2.5i | 2.5L | H4 | N/A | |
| 2007 | Subaru | Outback | 2.5i Limited | 2.5L | H4 | N/A | |
| 2006 | Saab | 9-2X | 2.5L | H4 | N/A | ||
| 2006 | Subaru | Forester | 2.5L | H4 | N/A | ||
| 2006 | Subaru | Impreza | 2.5i | 2.5L | H4 | N/A | |
| 2006 | Subaru | Impreza | Outback Sport | 2.5L | H4 | N/A | |
| 2006 | Subaru | Impreza | WRX | 2.5L | H4 | N/A | |
| 2006 | Subaru | Impreza | WRX Limited | 2.5L | H4 | N/A | |
| 2006 | Subaru | Impreza | WRX TR | 2.5L | H4 | N/A | |
| 2006 | Subaru | Legacy | 2.5i | 2.5L | H4 | N/A | |
| 2006 | Subaru | Outback | 2.5i | 2.5L | H4 | N/A | |
| 2006 | Subaru | Outback | 2.5i Limited | 2.5L | H4 | N/A |
* 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:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.