P0205: Injector Circuit Malfunction - Cylinder 5
Can you still drive? Not recommended. A dead cylinder sends unburned fuel into the exhaust, which can quickly destroy a catalytic converter.
What Does P0205 Mean?
Code P0205 means the fuel injector circuit for cylinder 5 has an electrical malfunction. This code applies to engines with five or more cylinders and indicates the ECM cannot properly control fuel delivery to cylinder 5. The injector may be open-circuited, shorted, or have a wiring problem.
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 fuel injector on cylinder 5
- Broken or corroded wiring to the injector
- Loose injector electrical connector
- ECM injector driver circuit failure
Symptoms
- Check engine light on
- Misfire on cylinder 5
- Rough idle and vibration
- Noticeable power loss
- Potential raw fuel smell from exhaust
Diagnostic Steps
- 1Read freeze frame data and check for P0305 misfire code
- 2Measure injector resistance at the connector
- 3Test for ECM signal using a noid light
- 4Swap cylinder 5 injector with a known good injector
- 5Trace wiring from ECM to injector checking for breaks or shorts
Recommended Parts & Tools
fuel injector
noid light test kit
Estimated Repair Cost
| Type | Estimated Cost |
|---|---|
| Total Repair Cost Range | $150 - $650 |
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Chat with AI About P0205Commonly Affected Vehicles
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Frequently Asked Questions
Does P0205 only apply to V8 engines?
No, P0205 applies to any engine with at least five cylinders, including inline-5, V6, V8, and V10 configurations.
How do I know if the injector or wiring is bad?
Swap the cylinder 5 injector with another cylinder. If the code follows the injector, it is the injector. If the code stays on cylinder 5, it is a wiring or ECM issue.
Community Fix Reports
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