P0210 Code: Cylinder 10 Injector Circuit Malfunction
🟠 Moderate severity · drivable
Yes, but cylinder 10 may misfire and the engine will run rough. Fix it soon to avoid converter damage.
What P0210 means
The fuel injector circuit for cylinder 10 has an electrical fault, so the computer can't control that injector properly. Cylinder 10 may not get the fuel it needs, which causes a misfire and rough running. This usually points to the injector itself or its wiring.
Symptoms
- Check engine light on (may flash)
- Rough idle or misfire
- Loss of power
- Poor fuel economy
Common causes
- most common: Faulty fuel injector on cylinder 10
- common: Damaged wiring or loose connector at the injector
- less common: Injector driver fault in the engine computer
How to fix it
| Fix | DIY? | Typical cost |
|---|---|---|
| Inspect and clean the cylinder 10 injector connector | Yes | $0–10 |
| Replace the cylinder 10 fuel injector | Mechanic | $80–300 |
| Repair damaged injector wiring | Mechanic | $50–150 |
Frequently asked questions
Can I drive with a P0210 code?
Yes, but cylinder 10 may misfire and the engine will run rough. Fix it soon to avoid damaging the catalytic converter.
What is the most common cause of P0210?
A faulty fuel injector or a wiring/connector problem at the cylinder 10 injector.
How much does it cost to fix a P0210?
A new injector is typically $80–300, and a wiring repair is usually $50–150.
Related codes
P0200
P0200 Code: Injector Circuit Malfunction
P0209P0209 Code: Cylinder 9 Injector Circuit Malfunction
P0310P0310 Code: Cylinder 10 Misfire Detected
Updated 2026-08. This page is informational and not a substitute for professional diagnosis.