What is the purpose of a knock sensor on Ford Explorer Sport Trac?

A knock sensor is used on the 4.0L SOHC V6 engine to detect engine detonation, or pinging. The sensor produces a fluctuating output voltage which increases with the severity of the knock. The signal goes to the PCM, which will retard ignition timing to stop the detonation. The knock sensor is located on the right cylinder head by the intake manifold. On 2001 and later models, the knock sensor is located below the intake manifold. Knock sensor operation and any associated problems can be monitored best with an OBD-II scan tool. If your engine suffers from detonation or pinging, have it tested with the necessary equipment by a dealer service department or other properly equipped repair facility.

Genuine Ford Explorer Sport Trac Knock Sensor

Engine Knock Sensor

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2 Knock Sensors found

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Ford Explorer Sport Trac Sensor - Engine Knock
Part Number: 1L2Z-12A699-AA
$99.11 MSRP: $163.82
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Product Specifications
- Other Name: Knock Sensor
- Manufacturer Note: Dual headed Bolt on type sensor
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2007-2010 Ford Explorer Sport Trac | 8 Cyl 4.6L | 5-Speed Automatic Transmission 5R55S, 6-Speed Automatic Transmission (6R80), 6-Speed Automatic Transmission 6R60, Four-Wheel Drive (Full Time) (Left Hand Drive), Four-Wheel Drive (Part Time) (Left Hand Drive), Left Hand Drive, Rear-Wheel Drive (Left Hand Drive)
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Ford Explorer Sport Trac Sensor - Engine Knock
Part Number: XL3Z-12A699-BA
$42.11 MSRP: $66.00
You Save: $23.89 (37%)
ADD TO CART
Product Specifications
- Other Name: Knock Sensor
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2007-2010 Ford Explorer Sport Trac | 6 Cyl 4.0L SOHC EFI | 5-Speed Automatic Transmission 5R55S, 6-Speed Automatic Transmission (6R80), 6-Speed Automatic Transmission 6R60, Four-Wheel Drive (Full Time) (Left Hand Drive), Four-Wheel Drive (Part Time) (Left Hand Drive), Left Hand Drive, Rear-Wheel Drive (Left Hand Drive)
- 2001-2005 Ford Explorer Sport Trac | 6 Cyl 4.0L SOHC EFI | 5-Speed Automatic Transmission - 5R44E/5R55E, 5-Speed Manual Transmission - R1HD, Four-Wheel Drive, Left Hand Drive, Two-Wheel Drive

Ford Explorer Sport Trac Knock Sensor

Knock Sensor in Ford Explorer Sport Trac is significant component in vehicle which measures engine knock signals and sends it to powertrain control module for changing ignition timing. This assists in avoiding over detonation within the ignition cycle and hence helping in improving efficiency of the engine as well as reducing on the chances of the engine being damaged. Usually piezoelectric, knock sensor measures vibration, and processes it to electrical signals which are continuously checked for a rise in pressure which is an indicator of knock. Due to fine tuning of the size of the angle of the rotation of the crankshaft to achieve fine control of the advance of ignition timing, the engine can set to work just below the knock limit while achieving maximum power as when using fuel of a higher octane rating. They can also control or program the pulse for each cylinder, and govern the boost pressure, for longest life and optimal fuel economy, even under overagrresive command.

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Ford Explorer Sport Trac Knock Sensor Parts Questions & Experts Answers

Sensor - Engine Knock
XL3Z-12A699-BA
Q: What is the purpose of a knock sensor on Ford Explorer Sport Trac?
A: A knock sensor is used on the 4.0L SOHC V6 engine to detect engine detonation, or pinging. The sensor produces a fluctuating output voltage which increases with the severity of the knock. The signal goes to the PCM, which will retard ignition timing to stop the detonation. The knock sensor is located on the right cylinder head by the intake manifold. On 2001 and later models, the knock sensor is located below the intake manifold. Knock sensor operation and any associated problems can be monitored best with an OBD-II scan tool. If your engine suffers from detonation or pinging, have it tested with the necessary equipment by a dealer service department or other properly equipped repair facility.