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P0330

Overview

Code

P0330

Code Type

P

Code Class

P0

System

Engine

Severity Level

High

Emissions Related

true

Drivability Impact

Major

Diagnostic Protocol

OBD2

Freeze Frame Useful

true

Code Definition

Diagnostic trouble code P0330 indicates a malfunction in the knock sensor 2 circuit (Bank 2, if equipped)

Symptoms

Engine knocking; Poor fuel economy

Overview applies to this diagnostic code.

Affected Systems

On This Page

  • Code Definition

  • Symptoms

  • Affected Systems

  • Possible Causes

  • Diagnostic Steps

  • Drive Safety Notes

More Resources

Ignition timing control for Bank 2 and engine protection

Possible Causes

Faulty knock sensor; Wiring issues

Diagnostic Steps

1 Inspect sensor wiring and connectors; 2 Test sensor operation; 3 Replace sensor if faulty

Drive Safety Notes

Prolonged knocking may damage engine components

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