P0206: Injector Circuit Malfunction - Cylinder 6
Can you still drive? Not recommended. Running on five cylinders puts excess strain on the catalytic converter and can cause secondary damage.
What Does P0206 Mean?
Code P0206 indicates an electrical fault in the fuel injector circuit for cylinder 6. The ECM has detected that the cylinder 6 injector is not responding correctly to its control signal, which means the injector may not be delivering fuel at all or is operating erratically. This affects engine balance and performance.
Need to read your codes?
An OBD-II scanner lets you read and clear diagnostic trouble codes from your vehicle's computer. Most scanners work with any car made after 1996.
Browse OBD-II Scanners on AmazonCommon Causes
- Failed cylinder 6 fuel injector
- Damaged injector wiring harness
- Corroded or loose injector connector
- Internal ECM driver circuit failure
Symptoms
- Check engine light on
- Cylinder 6 misfire
- Engine vibration and rough idle
- Significant power loss
- Poor fuel economy
Diagnostic Steps
- 1Read freeze frame data and check for P0306 companion code
- 2Test injector resistance and compare to factory specifications
- 3Use a noid light to verify the ECM is sending a pulse signal
- 4Swap the injector with another cylinder to isolate the problem
- 5Inspect the wiring from the ECM connector to the injector for damage
Recommended Parts & Tools
fuel injector
noid light test kit
electrical contact cleaner
Estimated Repair Cost
| Type | Estimated Cost |
|---|---|
| Total Repair Cost Range | $150 - $650 |
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Frequently Asked Questions
Will P0206 cause my engine to shake?
Yes, when cylinder 6 is not firing, the engine is unbalanced and will produce a noticeable vibration, especially at idle.
Can I clean a fuel injector instead of replacing it?
P0206 is an electrical circuit code, not a flow problem. Cleaning will not fix an electrical failure. If the injector has failed internally, replacement is the only solution.
Community Fix Reports
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