Engine-CodesChevrolet – P1244 Chevrolet

P1244 Chevrolet Code - Injector 8 Output Circuit

Quick Answer

The P1244 Chevrolet code indicates a problem with the injector 8 output circuit in the vehicle's fuel injection system. Common causes include Wiring harness issues, Faulty injector connectors, Malfunctioning 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
P1244 Chevrolet indicates Injector 8 Output Circuit.
Common causes
Common causes include Wiring harness issues, Faulty injector connectors, Malfunctioning 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.
Table of contents Created and updated by William Orellana on Sep 10, 2024
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Code P1244 Chevrolet Description

The P1244 Chevrolet code indicates a problem with the injector 8 output circuit in the vehicle's fuel injection system. This code specifically points to an issue with the electrical circuit that controls the fuel injector for cylinder 8. Fuel injectors are responsible for delivering the precise amount of fuel into the engine cylinders based on signals from the engine control module (ECM). When the injector 8 output circuit malfunctions, it can lead to inefficient fuel delivery, misfires, and poor engine performance.

OBDII Code P1244 Chevrolet - Injector 8 Output Circuit
P1244 Chevrolet Code - Injector 8 Output Circuit

Common Causes of P1244 Chevrolet

  1. Wiring harness issues
  2. Faulty injector connectors
  3. Malfunctioning ECM
  4. Problem with the fuel injector

Symptoms of P1244 Chevrolet

  1. Rough idling
  2. Hesitation or stalling during acceleration
  3. Decreased fuel efficiency
  4. Engine misfires

How to Fix P1244 Chevrolet

  1. Begin by conducting a thorough inspection of the wiring harness and injector connectors to look for any visible damage or corrosion. Repair or replace any damaged components.
  2. Use a multimeter to test the continuity of the injector 8 output circuit and ensure that there are no shorts or open circuits.
  3. Check the fuel injector for proper operation and replace it if necessary.
  4. If the issue persists, diagnose the ECM for any faults or errors and reprogram or replace it as needed.
  5. Clear the trouble code from the ECM memory and perform a test drive to verify that the issue has been resolved.

Cost to Fix P1244 Chevrolet

The typical repair costs for addressing a P1244 Chevrolet code can range from $200 to $500, depending on the specific cause of the issue and the cost of parts and labor in your area. Keep in mind that diagnosis time and labor rates can vary, so it's recommended to obtain a detailed quote from a trusted auto repair shop before proceeding with the repair.

Tech Notes for P1244 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 P1244

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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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