Engine-CodesChevrolet – P0268 2017 Chevrolet Silverado

P0268 2017 Chevrolet Silverado Code - Cylinder 3 Injector Control Circuit High Voltage

Quick Answer

The P0268 diagnostic trouble code (DTC) on a 2017 Chevrolet Silverado indicates an issue with the Cylinder 3 Injector Control Circuit High Voltage. Common causes include Faulty fuel injector for cylinder 3, Wiring issues in the injector control circuit, Poor electrical connection. 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
P0268 2017 Chevrolet Silverado indicates Cylinder 3 Injector Control Circuit High Voltage.
Common causes
Common causes include Faulty fuel injector for cylinder 3, Wiring issues in the injector control circuit, Poor electrical connection.
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 16, 2024
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Code P0268 2017 Chevrolet Silverado Description

The P0268 diagnostic trouble code (DTC) on a 2017 Chevrolet Silverado indicates an issue with the Cylinder 3 Injector Control Circuit High Voltage. This code is specifically related to the fuel injector for cylinder 3 in the engine. The fuel injector is responsible for delivering the precise amount of fuel into the combustion chamber at the right time to ensure proper engine performance. When the control circuit for the injector detects a voltage that is higher than normal, it triggers the P0268 code.

OBDII Code P0268 2017 Chevrolet Silverado - Cylinder 3 Injector Control Circuit High Voltage
P0268 2017 Chevrolet Silverado Code - Cylinder 3 Injector Control Circuit High Voltage

Common Causes of P0268 2017 Chevrolet Silverado

  1. Faulty fuel injector for cylinder 3
  2. Wiring issues in the injector control circuit
  3. Poor electrical connection
  4. Malfunctioning engine control module (ECM)
  5. Corrosion or damage to electrical components

Symptoms of P0268 2017 Chevrolet Silverado

  1. Engine misfires or runs rough
  2. Reduced power and acceleration
  3. Engine stalling
  4. Decreased fuel efficiency
  5. Increased emissions levels

How to Fix P0268 2017 Chevrolet Silverado

  1. Begin by performing a thorough inspection of the fuel injector for cylinder 3 and the wiring in the control circuit.
  2. Test the fuel injector for proper operation and resistance.
  3. Check the electrical connections and wiring for any signs of damage or corrosion.
  4. If necessary, replace the faulty fuel injector or repair any damaged wiring.
  5. Clear the DTC and test drive the vehicle to ensure the issue has been resolved.

Cost to Fix P0268 2017 Chevrolet Silverado

The typical repair costs for addressing a P0268 code on a 2017 Chevrolet Silverado can range from $150 to $400, depending on the specific cause of the issue and the cost of parts and labor in your area. It's important to note that diagnosis time and labor rates at auto repair shops can vary, so it's advisable to check with local shops for a more accurate estimate. Keep in mind that rates may be higher at dealerships or in metropolitan areas, while independent shops may offer more competitive prices.

Tech Notes for P0268 2017 Chevrolet Silverado

A clogged or partially clogged fuel injector can cause this code. Start by performing an injector flush before replacing the injector.

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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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