🔧 DTC Code P0268: Issue with Cylinder 3 Injector
❓ What Does This Mean?
The diagnostic code P0268 is a generic OBD-II powertrain code. It indicates that the fuel injector for cylinder number 3 is drawing more current than normal.
This malfunction is usually related to an electrical circuit problem or a faulty injector. Although the code is generic, the repair procedure may vary depending on the vehicle’s make and model.
⚠️ This type of failure should be addressed promptly to avoid damage to other components such as:
- The spark plug
- The oxygen sensor
- The catalytic converter
📉 Possible Symptoms
- Engine light (check engine) on
- Rough engine idling
- Decreased performance during acceleration
- Reduced fuel economy
⚠️ Possible Causes
- Faulty wiring harness between the PCM and the injector
- Damaged or corroded electrical connector
- Fuel injector internally short-circuited
- Clogged or dirty injector
🛠️ Diagnosis and Repair
Based on the experience of many mechanics, the most common causes are:
- A corroded or loose injector connector