P13A1
Super Knocking Cylinder 2 Injection Switch Off
P13A1 is an OBD-II diagnostic trouble code meaning: Super Knocking Cylinder 2 Injection Switch Off. Common causes: low fuel quality (octane number), malfunction of the spark plug in cylinder 2. Estimated repair cost: $17–167.
Symptoms
- Loss of engine power
- Vibration and uneven operation
- Metallic knock from engine
- Check Engine Light Is On
- Dips during acceleration
Causes
- Low fuel quality (octane number)
- Malfunction of the spark plug in cylinder 2
- Problems with cylinder 2 injector
- Knock sensor malfunction
- Mechanical damage to the cylinder (wear, carbon deposits)
How to Fix
- Check fuel quality and replace if necessary
- Diagnostics of spark plugs and injectors
- Check the knock sensor and its wiring
- Computer diagnostics of the engine management system
- Compression measurement in cylinders
Related codes
FAQ
What does the P13A1 code mean?
P13A1 is an OBD-II diagnostic trouble code that indicates: Super Knocking Cylinder 2 Injection Switch Off
What causes a P13A1 error code?
The most common causes of P13A1 include: Low fuel quality (octane number); Malfunction of the spark plug in cylinder 2; Problems with cylinder 2 injector; Knock sensor malfunction.
How do I fix a P13A1 diagnostic trouble code?
To fix P13A1: Check fuel quality and replace if necessary. Diagnostics of spark plugs and injectors. Check the knock sensor and its wiring. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P13A1?
Do not drive — repair immediately
How much does it cost to fix P13A1?
The estimated repair cost for P13A1 is $17–167. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat