OBD Guide
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P130A

Knock Sensor 3 Circuit

P130A is an OBD-II diagnostic trouble code meaning: Knock Sensor 3 Circuit. Common causes: open or short circuit in the sensor circuit, knock sensor 3 malfunction. Estimated repair cost: $17–44.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$17–44 (est.)

Symptoms

  • Reduced engine power
  • Increased fuel consumption
  • Detonation (knocking) in the engine
  • Check Engine light comes on

Causes

  • Open or short circuit in the sensor circuit
  • Knock sensor 3 malfunction
  • Poor contact in the sensor connector
  • Wiring harness damage

How to Fix

  1. Check the integrity of the sensor circuit
  2. Check sensor connections and connectors
  3. Replace knock sensor 3 if necessary
  4. Check and replace damaged wires

Related codes

P0325P0330P130B

FAQ

What does the P130A code mean?

P130A is an OBD-II diagnostic trouble code that indicates: Knock Sensor 3 Circuit

What causes a P130A error code?

The most common causes of P130A include: Open or short circuit in the sensor circuit; Knock sensor 3 malfunction; Poor contact in the sensor connector; Wiring harness damage.

How do I fix a P130A diagnostic trouble code?

To fix P130A: Check the integrity of the sensor circuit. Check sensor connections and connectors. Replace knock sensor 3 if necessary. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P130A?

Yes, but get it checked soon

How much does it cost to fix P130A?

The estimated repair cost for P130A is $17–44. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat