AutoCodes – Chevrolet – P1467 2021 Chevrolet Silverado

P1467 2021 Chevrolet Silverado Code - EVAP Purge Pump Underspeed

Quick Answer

Purge capacity is being reduced by technologies that improve fuel economy. Common causes include Faulty Evaporative Emission Purge Pump, Evaporative Emission Purge Pump harness is open or shorted, Evaporative Emission Purge Pump circuit poor electrical connection. 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 2021 Chevrolet Silverado indicates EVAP Purge Pump Underspeed.
Common causes
Common causes include Faulty Evaporative Emission Purge Pump, Evaporative Emission Purge Pump harness is open or shorted, Evaporative Emission Purge Pump circuit poor electrical connection.
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.
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Code Popularity 3,270
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Apr 18, 2023
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Code P1467 2021 Chevrolet Silverado Description

Purge capacity is being reduced by technologies that improve fuel economy. The Evaporative Emission Purge Pump is used to purge stored vapors from the Evaporative Emission Canister and is required to increase the purge volumes to meet LEV 3 Evaporative Emission requirements. The Evaporative Emission Purge Pump has an integral pressure sensor for controlling purge vapors from the canister. The Engine Control Module (ECM) monitors the Evaporative Emission Purge Pump, and the Diagnostic Trouble Code (DTC) will be set when the EVAP Purge Pump Speed & Desired EVAP Purge Pump Speed is not within a calibrated range for greater than 5 s.
OBDII Code P1467 2021 Chevrolet Silverado - EVAP Purge Pump Underspeed - AutoCodes.com
P1467 2021 Chevrolet Silverado Code - EVAP Purge Pump Underspeed

What are the Possible Causes of the DTC P1467 2021 Chevrolet Silverado?

  • Faulty Evaporative Emission Purge Pump
  • Evaporative Emission Purge Pump harness is open or shorted
  • Evaporative Emission Purge Pump circuit poor electrical connection
  • Faulty Engine Control Module (ECM)

How to Fix the DTC P1467 2021 Chevrolet Silverado?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P1467 2021 Chevrolet Silverado code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

Need more information about the P1467 2021 Chevrolet Silverado code?

Need more information on how to fix the P1467 2021 Chevrolet Silverado code? Get Access to Factory Service Manuals

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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 2021 Chevrolet Silverado Code

1. What are the common symptoms of OBDII code P1467 on a 2021 Chevrolet Silverado?

- Common symptoms include the check engine light illuminating, decreased fuel efficiency, and potential issues with the EVAP system.

2. What does the OBDII code P1467 indicate on a 2021 Chevrolet Silverado?

- OBDII code P1467 specifically points to a problem with the EVAP purge pump underspeed on a 2021 Chevrolet Silverado.

3. What are the possible causes of OBDII code P1467 on a 2021 Chevrolet Silverado?

- Possible causes include a faulty EVAP purge pump, damaged wiring or connectors in the EVAP system, or issues with the powertrain control module.

4. How can I diagnose the OBDII code P1467 on my 2021 Chevrolet Silverado?

- Diagnosis typically involves using an OBDII scanner to retrieve the code, inspecting the EVAP system components, and testing the purge pump for proper operation.

5. Can I continue driving my 2021 Chevrolet Silverado with OBDII code P1467?

- It is generally not recommended to drive with a persistent check engine light, as unresolved EVAP system issues can affect vehicle performance and emissions.

6. How can I repair OBDII code P1467 on my 2021 Chevrolet Silverado?

- Repair may involve replacing the EVAP purge pump, repairing damaged wiring or connectors, or reprogramming the powertrain control module, depending on the root cause.

7. Are there any DIY tips for addressing OBDII code P1467 on a 2021 Chevrolet Silverado?

- DIYers can start by checking and cleaning the EVAP purge valve and surrounding components, ensuring proper connections, and clearing the code to see if it returns.

8. Is OBDII code P1467 a common issue in 2021 Chevrolet Silverado vehicles?

- While not extremely common, issues with the EVAP purge pump underspeed can occur in 2021 Chevrolet Silverado vehicles due to various factors.

9. How much does it typically cost to fix OBDII code P1467 on a 2021 Chevrolet Silverado?

- Repair costs can vary depending on the exact cause of the issue, but expenses may include parts costs, labor fees, and potential diagnostic charges.

10. Can a mechanic help me reset the OBDII code P1467 on my 2021 Chevrolet Silverado?

- Yes, a qualified mechanic can reset the code after diagnosing and addressing the underlying problem to clear the check engine light.

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