Sensor, Knock: Description: 3.6L
WARNING: This page is about a different car, the 2019 Jeep Grand Cherokee. However, it is still accessible from the selected car via links, so may be relevant.
 Courtesy of CHRYSLER GROUP, LLC
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NOTE:
The forward sensor (1) is known to the powertrain control module (PCM) as knock sensor 1. The rear sensor (3) is known to the PCM as knock sensor 2.
The 3.6L engine uses two knock sensors (1, 3) and are bolted to the cylinder block under the intake manifold.