OBD Guide

P2336

Cylinder 1 Above Knock/Combustion Vibration Sensor Threshold

P2336 is an OBD-II diagnostic trouble code meaning: Cylinder 1 Above Knock/Combustion Vibration Sensor Threshold. Common causes: faulty cylinder 1 knock sensor, low quality fuel. Estimated repair cost: $17–56.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$17–56 (est.)

Symptoms

  • Loss of engine power
  • Detonation knocks during acceleration
  • Unstable idling
  • Increased fuel consumption
  • Check Engine Light Illuminates

Causes

  • Faulty cylinder 1 knock sensor
  • Low quality fuel
  • Incorrect ignition timing
  • Spark plug wear
  • Carbon accumulation in the combustion chamber

How to Fix

  1. Check fuel quality
  2. Diagnose and replace spark plugs
  3. Check that the ignition timing is set correctly
  4. Check the knock sensor and its wiring
  5. Clean the combustion chamber if necessary

Related codes

Error P2336 by Vehicle Brand

FAQ

What does the P2336 code mean?

P2336 is an OBD-II diagnostic trouble code that indicates: Cylinder 1 Above Knock/Combustion Vibration Sensor Threshold

What causes a P2336 error code?

The most common causes of P2336 include: Faulty cylinder 1 knock sensor; Low quality fuel; Incorrect ignition timing; Spark plug wear.

How do I fix a P2336 diagnostic trouble code?

To fix P2336: Check fuel quality. Diagnose and replace spark plugs. Check that the ignition timing is set correctly. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P2336?

Yes, but get it checked soon

How much does it cost to fix P2336?

The estimated repair cost for P2336 is $17–56. Actual cost depends on your vehicle, location, and labor rates.

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