P146A 2020 Chevrolet Silverado Code - EVAP Purge Pump Speed Too High
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 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
- P146A 2020 Chevrolet Silverado indicates EVAP Purge Pump Speed Too High.
- 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
- 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.
Code P146A 2020 Chevrolet Silverado Description
What are the Possible Causes of the DTC P146A 2020 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 P146A 2020 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 P146A 2020 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 P146A 2020 Chevrolet Silverado code?
Need more information on how to fix the P146A 2020 Chevrolet Silverado code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the P146A 2020 Chevrolet Silverado code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about P146A 2020 Chevrolet Silverado Code
1. What are the common symptoms of OBDII code P146A in a 2020 Chevrolet Silverado?
The common symptoms of code P146A in a 2020 Chevrolet Silverado include the check engine light coming on, decreased fuel efficiency, and potential issues with the vehicle's emissions system.
2. What does the OBDII code P146A indicate in a 2020 Chevrolet Silverado?
Code P146A indicates that the EVAP purge pump speed is too high in a 2020 Chevrolet Silverado, signaling a potential problem with the vehicle's evaporative emissions control system.
3. What are the possible causes of OBDII code P146A in a 2020 Chevrolet Silverado?
Possible causes of code P146A in a 2020 Chevrolet Silverado include a faulty EVAP purge pump, a malfunctioning EVAP purge solenoid, vacuum leaks in the EVAP system, or wiring issues.
4. How serious is OBDII code P146A in a 2020 Chevrolet Silverado?
While code P146A may not cause immediate drivability issues, it is important to address this problem promptly to ensure proper vehicle performance and to prevent potential damage to the emissions system.
5. Can I continue driving my 2020 Chevrolet Silverado with OBDII code P146A?
It is not recommended to continue driving your 2020 Chevrolet Silverado with code P146A, as unresolved issues with the EVAP system can lead to increased emissions, decreased fuel efficiency, and potential damage to other engine components.
6. How can I diagnose OBDII code P146A in my 2020 Chevrolet Silverado?
Diagnosing code P146A in a 2020 Chevrolet Silverado typically involves using an OBDII scanner to retrieve the code, inspecting the EVAP system components for damage or leaks, and testing the functionality of the purge pump and solenoid.
7. What are some repair tips for fixing OBDII code P146A in a 2020 Chevrolet Silverado?
Repair tips for code P146A in a 2020 Chevrolet Silverado may include replacing the EVAP purge pump, checking and repairing any vacuum leaks in the system, ensuring proper wiring connections, and clearing the code with an OBDII scanner after repairs are made.
8. Can I reset the check engine light after fixing OBDII code P146A in my 2020 Chevrolet Silverado?
Yes, after fixing code P146A in your 2020 Chevrolet Silverado, you can reset the check engine light using an OBDII scanner to clear the stored trouble code and turn off the warning indicator.
9. How much does it cost to repair OBDII code P146A in a 2020 Chevrolet Silverado?
The cost of repairing code P146A in a 2020 Chevrolet Silverado can vary depending on the specific issue causing the code, the labor rates at the repair shop, and the cost of replacement parts. It is advisable to consult with a professional mechanic for an accurate estimate.
10. Is OBDII code P146A covered under warranty for a 2020 Chevrolet Silverado?
If your 2020 Chevrolet Silverado is still under the manufacturer's warranty, code P146A may be covered depending on the warranty terms and conditions. It is recommended to check with your dealership or refer to your warranty documentation for more information.
Discuss the causes and fixes for P146A 2020 Chevrolet Silverado OBDII Code
Code P146A 2020 Chevrolet Silverado comments
No comments found for this page.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
