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2012 CHEVROLET EXPRESS

4.3L V6 VortecRWDAUTOMATICgas
6 active safety recalls on this vehicle — view recalls
Repairs0Labor506Torque4947Fluid7DTC952Battery1Maintenance0Recalls6
P0330moderate severityPowertrain

Knock Sensor 2 Circuit Bank 2

on 2012 Chevrolet Express 4.3L V6 Vortec · RWD

What this code means

Malfunction in the knock sensor 2 circuit for Bank 2.

Symptoms

  • Check Engine Light
  • Reduced power
  • Possible pinging

Common causes

  • Faulty knock sensor
  • Wiring damage
  • Incorrect torque

Diagnostic steps

  1. Test sensor resistance
  2. Inspect wiring
  3. Check mounting

Repair notes

Replace knock sensor Bank 2.

Other Powertrain codes on this vehicle

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