P0273 2017 GMC Sierra Code - Cylinder 5 Injector Control Circuit Low Voltage
Quick Answer
The diagnostic trouble code P0273 for a 2017 GMC Sierra indicates an issue with the Cylinder 5 Injector Control Circuit experiencing low voltage. Common causes include Faulty fuel injector for cylinder 5, Damaged wiring or connectors in the injector control circuit, Malfunctioning engine control module (ECM). Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
- What it means
- P0273 2017 GMC Sierra indicates Cylinder 5 Injector Control Circuit Low Voltage.
- Common causes
- Common causes include Faulty fuel injector for cylinder 5, Damaged wiring or connectors in the injector control circuit, Malfunctioning engine control module (ECM).
- Severity
- High - diagnose this code as soon as possible.
- Can I drive?
- Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
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Code P0273 2017 GMC Sierra Description
The diagnostic trouble code P0273 for a 2017 GMC Sierra indicates an issue with the Cylinder 5 Injector Control Circuit experiencing low voltage. This code is specifically related to the fuel injector for cylinder 5, which is responsible for delivering the precise amount of fuel into the combustion chamber for proper engine operation. When the control circuit for this injector is detecting low voltage, it can lead to a variety of performance issues and potential long-term effects if not addressed promptly.
Common Causes of P0273 2017 GMC Sierra
- Faulty fuel injector for cylinder 5
- Damaged wiring or connectors in the injector control circuit
- Malfunctioning engine control module (ECM)
- Issues with the power supply to the injector
Symptoms of P0273 2017 GMC Sierra
- Rough idling or engine misfires
- Decreased engine performance
- Engine stalling or hesitation during acceleration
- Check Engine Light illuminated on the dashboard
How to Fix P0273 2017 GMC Sierra
- Begin by conducting a thorough inspection of the fuel injector for cylinder 5, checking for any signs of damage or malfunction.
- Test the wiring and connectors in the injector control circuit to identify any faults or breaks that may be causing the low voltage issue.
- Use a multimeter to measure the voltage at the injector and determine if it falls below the specified threshold.
- If the fuel injector is found to be faulty, replace it with a new, OEM-quality injector to ensure proper fuel delivery.
- Clear the diagnostic trouble codes from the vehicle's computer and test drive the vehicle to confirm that the issue has been resolved.
Cost to Fix P0273 2017 GMC Sierra
The typical repair costs for addressing a Cylinder 5 Injector Control Circuit Low Voltage issue can vary depending on the specific cause of the problem and the cost of parts and labor. In general, the cost of replacing a fuel injector can range from $150 to $300 per injector, not including labor costs. The total repair cost, including parts and labor, could range from $300 to $600 or more. It's important to note that the specific diagnosis time and labor rates at auto repair shops can vary based on factors such as location, vehicle make and model, and engine type. It's recommended to check with local repair shops for a more accurate estimate based on your specific situation.
Tech Notes for P0273 2017 GMC Sierra
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Frequently Asked Questions about P0273 2017 GMC Sierra Code
1. What does the OBDII code P0273 mean on a 2017 GMC Sierra?
P0273 indicates a Cylinder 5 Injector Control Circuit Low Voltage, meaning the engine control module (ECM) detects an issue with the electrical signal to the injector for cylinder 5.
2. What are the common symptoms of code P0273 in a 2017 GMC Sierra?
Symptoms may include rough idling, misfires, poor acceleration, decreased fuel efficiency, and the check engine light being illuminated.
3. What causes code P0273 on a 2017 GMC Sierra?
Common causes include faulty fuel injector for cylinder 5, damaged wiring or connectors in the injector circuit, a malfunctioning ECM, or poor electrical connections.
4. Can I drive my 2017 GMC Sierra with code P0273?
While the vehicle may still be drivable, driving with this code can lead to engine performance issues and potential damage. It's best to address the issue promptly.
5. How can I diagnose code P0273 on a 2017 GMC Sierra?
Diagnosis typically involves inspecting the injector wiring and connectors for damage, testing the injector for proper function, and checking the ECM for faults.
6. How do I fix the P0273 code on my 2017 GMC Sierra?
Repairs may include replacing the cylinder 5 fuel injector, repairing or replacing damaged wiring, cleaning corroded connectors, or reprogramming or replacing the ECM.
7. How much does it cost to fix code P0273 on a 2017 GMC Sierra?
The repair cost can vary, ranging from $150 to $500 or more, depending on whether the issue is with the injector, wiring, or ECM.
8. Can a bad fuel injector cause code P0273 in a 2017 GMC Sierra?
Yes, a faulty or clogged fuel injector in cylinder 5 is a common cause of this code.
9. How do I prevent code P0273 from occurring again in my 2017 GMC Sierra?
Regular maintenance, including inspecting and cleaning injectors, checking wiring connections, and using quality fuel, can help prevent this issue.
10. Is P0273 a serious issue for my 2017 GMC Sierra?
Yes, it's important to address P0273 promptly, as it can lead to poor engine performance and potential long-term damage if left unresolved.
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