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2017 AUDI A4

2.0L I4 TFSIAWDAUTOMATICgasturbo
1 active safety recall on this vehicle — view recalls
Repairs0Labor595Torque6143Fluid9DTC922Battery0Maintenance0Recalls1
P0326moderate severityPowertrain

Knock Sensor 1 Circuit Range/Performance Bank 1

on 2017 Audi A4 2.0L I4 TFSI · AWD

What this code means

The knock sensor 1 signal is out of expected range.

Symptoms

  • Check Engine Light
  • Timing retarded
  • Reduced power

Common causes

  • Sensor damaged
  • Incorrect mounting
  • Engine mechanical noise

Diagnostic steps

  1. Test sensor output
  2. Verify mounting torque
  3. Check for engine noise issues

Repair notes

Replace knock sensor.

Other Powertrain codes on this vehicle

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