P3419 GMC Code - Cylinder 3 Deactivation/Intake Valve Control Circuit Low
Quick Answer
The P3419 GMC code indicates an issue with the cylinder 3 deactivation/intake valve control circuit being low. Common causes include Faulty intake valve control solenoid, Damaged wiring or connectors in the intake valve control circuit, Defective PCM. 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
- P3419 GMC indicates Cylinder 3 Deactivation/Intake Valve Control Circuit Low.
- Common causes
- Common causes include Faulty intake valve control solenoid, Damaged wiring or connectors in the intake valve control circuit, Defective PCM.
- 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 P3419 GMC Description
The P3419 GMC code indicates an issue with the cylinder 3 deactivation/intake valve control circuit being low. In vehicles equipped with cylinder deactivation technology, this code typically means that there is a problem with the intake valve control circuit for cylinder 3. The intake valve control circuit is responsible for managing the opening and closing of the intake valve, which is crucial for the engine's performance and efficiency.
Common Causes of P3419 GMC
- Faulty intake valve control solenoid
- Damaged wiring or connectors in the intake valve control circuit
- Defective PCM
- Mechanical issue with the intake valve
Symptoms of P3419 GMC
- Decreased engine performance
- Poor fuel efficiency
- Rough idle
- Engine misfires
- Hesitation or stalling during acceleration
How to Fix P3419 GMC
- Begin by inspecting the intake valve control solenoid and its wiring for any visible damage or wear. Replace any damaged components.
- Check the PCM for any stored codes related to the intake valve control circuit. Reset the PCM and retest the system.
- Test the intake valve control solenoid using a multimeter to ensure it is functioning properly. Replace if necessary.
- Inspect the intake valve itself for any mechanical issues such as sticking or carbon buildup. Clean or replace the intake valve as needed.
- Clear the diagnostic trouble codes from the vehicle's system and test drive the vehicle to verify that the issue has been resolved.
Cost to Fix P3419 GMC
The cost of repairing a P3419 GMC code can vary depending on the specific cause of the issue. On average, the parts for this repair may cost between $100 and $300, while the labor costs can range from $150 to $400. Keep in mind that these are rough estimates, and actual costs may vary based on the vehicle's make and model, as well as the location and labor rates of the auto repair shop. It's recommended to consult with a professional technician for a more accurate cost estimate.
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