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P1247 Chevrolet Code - Fuel Injector 8 Control Circuit Shorted

Quick Answer

The P1247 diagnostic trouble code for Chevrolet vehicles refers to a problem with the fuel injector 8 control circuit being shorted. Common causes include Faulty fuel injector, Wiring issues or short circuits in the control circuit, Defective injector driver in the 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
P1247 Chevrolet indicates Fuel Injector 8 Control Circuit Shorted.
Common causes
Common causes include Faulty fuel injector, Wiring issues or short circuits in the control circuit, Defective injector driver in the 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.
What is this?
Table of contents Created and updated by William Orellana on Sep 10, 2024
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Code P1247 Chevrolet Description

The P1247 diagnostic trouble code for Chevrolet vehicles refers to a problem with the fuel injector 8 control circuit being shorted. In simpler terms, this means that there is an electrical issue with the circuit responsible for controlling the fuel injector for cylinder 8 in the engine. The fuel injector is a crucial component that delivers the proper amount of fuel into the combustion chamber for efficient engine operation. When the control circuit is shorted, it can lead to a disruption in fuel delivery, affecting the engine's performance and overall efficiency.

OBDII Code P1247 Chevrolet - Fuel Injector 8 Control Circuit Shorted
P1247 Chevrolet Code - Fuel Injector 8 Control Circuit Shorted

Common Causes of P1247 Chevrolet

  1. Faulty fuel injector
  2. Wiring issues or short circuits in the control circuit
  3. Defective injector driver in the ECM
  4. Poor connection or corrosion in the circuit
  5. Electrical issues in the fuel injector control system

Symptoms of P1247 Chevrolet

  1. Poor acceleration and lack of power
  2. Rough idling or engine misfires
  3. Decreased fuel efficiency
  4. Engine stalling
  5. Check Engine Light illuminated on the dashboard

How to Fix P1247 Chevrolet

  1. Begin by diagnosing the specific cause of the shorted control circuit, using a diagnostic scanner to retrieve the trouble codes and pinpoint the issue.
  2. Inspect the wiring harness for any visible damage, corrosion, or loose connections. Repair or replace any damaged wiring as needed.
  3. Test the fuel injector for proper operation and resistance. Replace the injector if it is found to be faulty.
  4. Check the injector driver in the ECM for any malfunctions. Replace the ECM if necessary.
  5. Clear the trouble codes from the vehicle's computer and perform a test drive to ensure the issue has been resolved.

Cost to Fix P1247 Chevrolet

The repair costs for resolving a P1247 Chevrolet diagnostic trouble code can vary depending on the specific cause of the issue and the labor rates in your area. Typically, the cost for parts such as a fuel injector or ECM replacement can range from $200 to $800, while labor costs can amount to $100 to $300. Overall, you can expect to pay anywhere from $300 to $1100 for this repair, but it's essential to obtain quotes from local auto repair shops to get a more accurate estimate based on your vehicle's make and model. Labor rates at auto repair shops typically range from $80 to $150 per hour, but rates can be higher in certain areas or at dealerships.

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P1247 Chevrolet Code

1. What are the common symptoms of OBDII code P1247 on a Chevrolet related to the Fuel Injector 8 Control Circuit Shorted?

- Common symptoms include rough idling, engine misfires, decreased fuel efficiency, and potential stalling of the vehicle.

2. What are the possible causes of the Fuel Injector 8 Control Circuit Shorted code (P1247) on a Chevrolet?

- Potential causes may include a short circuit in the wiring harness, a faulty injector, issues with the fuel injector control module, or a problem with the Engine Control Module (ECM).

3. How can I diagnose the source of the Fuel Injector 8 Control Circuit Shorted code on my Chevrolet?

- Diagnosis typically involves inspecting the wiring harness for any visible damage, testing the injector for proper functioning, and using a scan tool to analyze the control circuit's performance.

4. Can I continue driving my Chevrolet with the P1247 code related to Fuel Injector 8 Control Circuit Shorted?

- It is not recommended to drive your vehicle with this code, as it can lead to further damage to the engine and negatively impact performance.

5. How can I repair the Fuel Injector 8 Control Circuit Shorted issue on my Chevrolet?

- Repair methods may involve repairing or replacing damaged wiring, replacing the faulty injector, addressing issues with the control module, or reprogramming the ECM as necessary.

6. Will resetting the OBDII code P1247 related to Fuel Injector 8 Control Circuit Shorted make it go away permanently?

- Resetting the code without addressing the underlying issue will not fix the problem permanently. It is crucial to diagnose and repair the root cause to prevent the code from reoccurring.

7. Is it possible to prevent the OBDII code P1247 from appearing in the future on my Chevrolet?

- Regular maintenance, such as checking and maintaining the fuel injection system, inspecting wiring for damage, and addressing any engine performance issues promptly, can help prevent the code from reappearing.

8. How long does it typically take to repair the Fuel Injector 8 Control Circuit Shorted code on a Chevrolet?

- The repair time can vary depending on the exact cause of the issue and the extent of the repair needed. It is recommended to consult with a qualified mechanic for a more accurate estimate.

9. Are there any safety concerns associated with the OBDII code P1247 related to Fuel Injector 8 Control Circuit Shorted?

- While the issue itself may not pose immediate safety risks, driving with a faulty injector can lead to engine problems and potential breakdowns, so it's best to address the problem promptly.

10. Can I use a DIY approach to fix the Fuel Injector 8 Control Circuit Shorted code on my Chevrolet?

- While some basic troubleshooting steps can be done DIY, diagnosing and repairing the specific cause of the code may require specialized tools and expertise, so it's advisable to seek professional help for a thorough repair.

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