What is a knock sensor 2 circuit Low bank 2?

This Diagnostic Trouble Code (DTC) is a generic transmission code, which means it applies to OBD-II equipped vehicles. Although general, specific repair steps may differ depending on the brand / model.

The knock sensor tells the engine computer when one or more of your engine's cylinders "knock", ie, they explode the air / fuel mixture in such a way as to provide less power and cause engine damage if it continues to run.

The computer uses this information to tune the engine so that it does not knock. If your knock sensor on block # 2 generates a low output voltage (possibly less than 0.5V) then it will trigger DTC P0332. This Code P0332 may appear intermittently, or the Service Engine light may remain on. Other DTCs associated with the knock sensor include P0325, P0326, P0327, P0328, P0329, P0330, P0331, P0333, and P0334.

symptoms

You may notice handling problems, including fluctuations in engine speed, loss of power, and possibly some fluctuations. There may be other symptoms as well.

reasons

Possible causes of DTC P0332 include (but are not limited to):

• The knock sensor is defective and needs to be replaced.
• Open / short circuit / malfunction in the knock sensor circuit
• PCM / ECM out of order

Possible solutions

• Check the resistance of the knock sensor (compare with the factory specifications)
• Check for open / frayed wires leading to the sensor.
• Check wiring and connections to / from the knock sensor and PCM / ECM.
• Make sure the correct voltage is supplied to the knock sensor (for example, 5 volts).
• Check for proper grounding of the sensor and circuit.
• Replace the knock sensor.
• Replace PCM / ECM.

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