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P1467 2019 Chevrolet Silverado Code - EVAP Purge Pump Underspeed

Quick Answer

The P1467 code in a 2019 Chevrolet Silverado indicates a problem with the EVAP (Evaporative Emission Control System) purge pump underspeed. Common causes include Faulty purge pump, Clogged EVAP system, Vacuum leak. Severity is Low - monitor the vehicle and repair when practical. The vehicle can usually be driven if no severe symptoms are present, but symptoms should be checked before extended driving.

What it means
P1467 2019 Chevrolet Silverado indicates EVAP Purge Pump Underspeed.
Common causes
Common causes include Faulty purge pump, Clogged EVAP system, Vacuum leak.
Severity
Low - monitor the vehicle and repair when practical.
Can I drive?
The vehicle can usually be driven if no severe symptoms are present, but symptoms should be checked before extended driving.
What is this?
Table of contents Created and updated by William Orellana on Sep 11, 2024
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Code P1467 2019 Chevrolet Silverado Description

The P1467 code in a 2019 Chevrolet Silverado indicates a problem with the EVAP (Evaporative Emission Control System) purge pump underspeed. The EVAP system is responsible for capturing and storing fuel vapors from the fuel tank to prevent them from escaping into the atmosphere. The purge pump is a crucial component of this system as it regulates the flow of vapor from the charcoal canister to the engine, where it can be burned as part of the combustion process.

OBDII Code P1467 2019 Chevrolet Silverado - EVAP Purge Pump Underspeed
P1467 2019 Chevrolet Silverado Code - EVAP Purge Pump Underspeed

Common Causes of P1467 2019 Chevrolet Silverado

  1. Faulty purge pump
  2. Clogged EVAP system
  3. Vacuum leak
  4. Electrical issues

Symptoms of P1467 2019 Chevrolet Silverado

  1. Check engine light illuminated
  2. Decreased fuel efficiency
  3. Rough idling
  4. Stalling
  5. Failed emissions test

How to Fix P1467 2019 Chevrolet Silverado

  1. Diagnose the exact cause of the issue using a scan tool to retrieve the trouble codes and perform a visual inspection of the EVAP system components.
  2. Test the purge pump to ensure it is functioning properly. If the pump is faulty, replace it with a new one.
  3. Check for any clogs in the EVAP system, such as in the charcoal canister or the purge valve, and clear them out if necessary.
  4. Inspect the vacuum lines for leaks or damage, and repair or replace them as needed.
  5. Check the electrical connections to the purge pump and ensure they are secure and free of corrosion.

Cost to Fix P1467 2019 Chevrolet Silverado

The cost of repairing a P1467 code in a 2019 Chevrolet Silverado can vary depending on the exact cause of the issue and the cost of parts and labor. On average, the repair cost for this issue can range from $150 to $500. It is important to note that specific diagnosis time and labor rates at auto repair shops can vary, so it is advisable to check with local shops for a more accurate estimate.

What does this mean?

Tech Notes for P1467 2019 Chevrolet Silverado

Some 2019-2020 Chevrolet Silverado and GMC Sierra with 2.7L engine may have the Service Engine Soon (SES) Warning Light ON with Diagnostic Trouble Code (DTC) P1467 and/or P1469 set in the Engine Control Module (ECM). The cause is the Evaporative Emission Purge Pump may be filling with liquid fuel due to overfilling the fuel tank. There is a Factory Service Bulletin for this issue, the dealer will inspect the vehicle and replace the Evaporative Emission Purge Pump.

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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 P1467 2019 Chevrolet Silverado Code

1. What are the common symptoms of OBDII code P1467 in a 2019 Chevrolet Silverado?

- Common symptoms include the check engine light coming on, rough idling, decreased fuel efficiency, and potential difficulties with starting the vehicle.

2. What does the OBDII code P1467 for a 2019 Chevrolet Silverado indicate?

- The code P1467 stands for EVAP Purge Pump Underspeed, indicating a problem with the evaporative emission control system's purge pump not operating at the expected speed.

3. What are the possible causes of OBDII code P1467 in a 2019 Chevrolet Silverado?

- Potential causes include a faulty purge pump, a clogged or leaking EVAP system, damaged wiring or connectors, or a malfunctioning powertrain control module (PCM).

4. How can I diagnose the OBDII code P1467 in my 2019 Chevrolet Silverado?

- Diagnosis typically involves checking the condition of the purge pump, inspecting the EVAP system for leaks or blockages, testing the wiring and connectors, and using a scan tool to monitor system operation.

5. Can I still drive my 2019 Chevrolet Silverado with the OBDII code P1467?

- It is generally not recommended to drive the vehicle with the code P1467 present, as it can lead to further damage and may cause increased emissions.

6. How can I repair OBDII code P1467 in a 2019 Chevrolet Silverado?

- Repair may involve replacing the purge pump, repairing any leaks in the EVAP system, fixing damaged wiring or connectors, or reprogramming the PCM if necessary.

7. Will resetting the check engine light make OBDII code P1467 go away in a 2019 Chevrolet Silverado?

- Resetting the check engine light may temporarily clear the code, but it will likely reappear if the underlying issue causing the code is not addressed.

8. Is OBDII code P1467 a serious issue in a 2019 Chevrolet Silverado?

- While the severity can vary, it is important to address code P1467 promptly to prevent potential damage to the vehicle's emission control system and ensure optimal performance.

9. Can a DIY enthusiast fix OBDII code P1467 in a 2019 Chevrolet Silverado?

- Depending on the skill level and access to tools, some DIY enthusiasts may be able to address the issue themselves by following repair guides and using proper diagnostic equipment.

10. How much does it cost to repair OBDII code P1467 in a 2019 Chevrolet Silverado?

- The cost of repairing code P1467 can vary based on the specific cause of the issue, with expenses ranging from a simple fix like replacing a purge pump to more extensive repairs involving the EVAP system. It's recommended to consult a mechanic for an accurate estimate.

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