P146A 2019 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 2019 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 2019 Chevrolet Silverado Description
What are the Possible Causes of the DTC P146A 2019 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 2019 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 2019 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 2019 Chevrolet Silverado code?
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Frequently Asked Questions about P146A 2019 Chevrolet Silverado Code
1. What are common symptoms of OBDII code P146A in a 2019 Chevrolet Silverado?
- Common symptoms include the check engine light illuminating, rough idling, decreased fuel efficiency, and potential fuel odor.
2. What does the OBDII code P146A indicating "EVAP Purge Pump Speed Too High" mean for a 2019 Chevrolet Silverado?
- This code indicates that the EVAP purge pump is operating at a speed that is higher than expected, potentially leading to issues with the vehicle's emission control system.
3. What are possible causes of OBDII code P146A in a 2019 Chevrolet Silverado?
- Possible causes include a faulty EVAP purge pump, damaged wiring or connectors in the EVAP system, a vacuum leak, or a malfunctioning EVAP pressure sensor.
4. How serious is OBDII code P146A in a 2019 Chevrolet Silverado?
- While the vehicle may still be driveable with this code, it is important to address it promptly to prevent potential damage to the emission control system and ensure optimal vehicle performance.
5. Can I continue driving my 2019 Chevrolet Silverado with OBDII code P146A active?
- It is generally not recommended to continue driving with this code active, as it can lead to increased emissions, reduced fuel efficiency, and potential long-term damage to the vehicle's components.
6. How can I diagnose OBDII code P146A in a 2019 Chevrolet Silverado?
- Diagnosing this code typically involves using an OBDII scanner to retrieve the specific fault codes, conducting a visual inspection of the EVAP system components, and performing tests to pinpoint the root cause.
7. What are some potential repair tips for fixing OBDII code P146A in a 2019 Chevrolet Silverado?
- Repair tips may include checking and replacing the EVAP purge pump, inspecting and repairing damaged wiring or connectors, addressing any vacuum leaks, and testing or replacing the EVAP pressure sensor as needed.
8. Can I reset the check engine light after fixing OBDII code P146A in my 2019 Chevrolet Silverado?
- Yes, once the underlying issue causing the code has been repaired, you can reset the check engine light using an OBDII scanner to clear the stored fault codes and turn off the warning indicator.
9. How much does it typically cost to repair OBDII code P146A in a 2019 Chevrolet Silverado?
- The cost of repairing this code can vary depending on the specific cause of the issue, but expenses may include parts such as the EVAP purge pump, labor costs for diagnosis and repair, and potentially additional components or repairs.
10. Are there any preventive maintenance measures to help avoid OBDII code P146A in a 2019 Chevrolet Silverado?
- Regularly checking and maintaining the EVAP system components, addressing any signs of damage or wear promptly, and following the manufacturer's recommended maintenance schedule can help prevent issues leading to this code.
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