


Knock Sensor
The knock sensor bolts to the top of the engine block and generates a voltage signal based on a noise frequency that corresponds to engine knock. The ECU responds to the knock signal by reducing ignition timing.
A faulty sensor or damaged wire lead or connector can set a fault code resulting in a CEL..
Manufacturer Part No.: 22060AA140
What it fits:
- EJ257 MY06-21
- WRX EJ255 MY06-14
- Legacy EJ255 MY06-09
- EJ253 MY06-10
Couldn't load pickup availability
Pickup available at Rallispec
Usually ready in 24 hoursPairs well with

Knock Sensor
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