Engine-CodesChevrolet – P1241 Chevrolet

P1241 Chevrolet Code - Injector 7 Output Circuit

Quick Answer

The P1241 code for Chevrolet vehicles indicates an issue with the injector 7 output circuit. Common causes include Faulty fuel injector, Wiring or connector issues in the injector 7 circuit, ECM malfunction. 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
P1241 Chevrolet indicates Injector 7 Output Circuit.
Common causes
Common causes include Faulty fuel injector, Wiring or connector issues in the injector 7 circuit, ECM malfunction.
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.
Table of contents Created and updated by William Orellana on Sep 09, 2024
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Code P1241 Chevrolet Description

The P1241 code for Chevrolet vehicles indicates an issue with the injector 7 output circuit. This means that there is a problem with the electrical circuit that controls the fuel injector for cylinder 7. Fuel injectors are responsible for delivering the precise amount of fuel into the combustion chamber for efficient engine operation. When there is a fault in the injector 7 output circuit, it can lead to poor engine performance, decreased fuel economy, and potential damage to the engine over time.

OBDII Code P1241 Chevrolet - Injector 7 Output Circuit
P1241 Chevrolet Code - Injector 7 Output Circuit

Common Causes of P1241 Chevrolet

  1. Faulty fuel injector
  2. Wiring or connector issues in the injector 7 circuit
  3. ECM malfunction
  4. Corrosion or damage to the injector 7 circuit
  5. Poor electrical connection

Symptoms of P1241 Chevrolet

  1. Engine misfires
  2. Rough idling
  3. Decreased fuel efficiency
  4. Hesitation during acceleration
  5. Check Engine Light illuminated

How to Fix P1241 Chevrolet

  1. Perform a visual inspection of the injector 7 circuit wiring and connectors to check for any damage or corrosion.
  2. Test the fuel injector for proper operation and replace if necessary.
  3. Use a multimeter to test the continuity of the injector 7 circuit and repair any wiring issues.
  4. Clear the fault code from the ECM and test drive the vehicle to ensure the issue is resolved.
  5. If the problem persists, consider replacing the ECM or seeking professional assistance for further diagnosis.

Cost to Fix P1241 Chevrolet

The cost of repairing the injector 7 output circuit can vary depending on the extent of the issue and the specific repairs needed. On average, the cost of replacing a fuel injector can range from $150 to $300 per injector. The cost of labor for diagnosing and repairing the issue can add an additional $100 to $200. Overall, the total cost for addressing the P1241 code for Chevrolet vehicles can range from $250 to $600. It's important to note that these are rough estimates, and actual costs may vary based on the location, vehicle make and model, and the specific repairs required. It's recommended to consult with a trusted mechanic or auto repair shop for a more accurate cost estimate.

Tech Notes for P1241 Chevrolet

If only 1 fuel injector Control circuit Diagnostic Trouble Code (DTC) is set, an open circuit or poor connection is the most likely cause. If groups of 4 fuel injector Control circuit DTCs are set, suspect a short to ground. Cylinder groups are 2, 3, 5, 8 or 1, 4, 6, 7. More than 4 fuel injector Control circuit DTCs set indicate short to voltage on fuel injector Control circuit is the most likely cause.



There is a factory service bulletin for the following Chevrolet models:



2004 Chevrolet Kodiak

2005 Chevrolet Kodiak

2004 Chevrolet Silverado

2005 Chevrolet Silverado

2004-2005 Chevrolet Kodiak, Silverado Factory Service Bulletin OBDII Code P1241

Need more information about the P1241 Chevrolet code?

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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.

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