P1468 Chevrolet Code - EVAP Purge Pump Overspeed
Quick Answer
The P1468 code for Chevrolet vehicles indicates a problem with the EVAP (Evaporative Emission Control) system purge pump overspeed. Common causes include Faulty EVAP purge pump, Clogged or blocked purge valve, Damaged EVAP hoses. 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
- P1468 Chevrolet indicates EVAP Purge Pump Overspeed.
- Common causes
- Common causes include Faulty EVAP purge pump, Clogged or blocked purge valve, Damaged EVAP hoses.
- 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.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
Code P1468 Chevrolet Description
The P1468 code for Chevrolet vehicles indicates a problem with the EVAP (Evaporative Emission Control) system purge pump overspeed. This means that the purge pump, which is responsible for controlling the flow of fuel vapors from the fuel tank to the engine, is operating at a speed higher than the specified limit. This can lead to issues with the fuel vapor management system, affecting the vehicle's emissions and overall performance.
Common Causes of P1468 Chevrolet
- Faulty EVAP purge pump
- Clogged or blocked purge valve
- Damaged EVAP hoses
- Wiring or electrical issues
- PCM (Powertrain Control Module) failure
Symptoms of P1468 Chevrolet
- Check Engine Light illuminated on the dashboard
- Reduced fuel efficiency
- Rough idling or stalling
- Strong fuel odor
- Difficulty starting the engine
How to Fix P1468 Chevrolet
- Diagnose the EVAP system using a scan tool to confirm the P1468 code and identify the exact cause of the issue.
- Inspect the purge pump, purge valve, hoses, and electrical connections for any damage or blockages.
- Replace the faulty components, such as the purge pump or purge valve, with new ones.
- Clear the diagnostic trouble codes from the PCM and perform a test drive to ensure the issue is resolved.
- If necessary, reprogram the PCM to reset the system and calibrate the components.
Cost to Fix P1468 Chevrolet
The cost of repairing a P1468 code on a Chevrolet vehicle can vary depending on the specific cause of the issue and the labor rates in your area. Typically, the cost of parts for replacing the EVAP purge pump or valve can range from $100 to $300, while the labor costs can be around $100 to $200. Overall, the total repair cost for addressing this code could be in the range of $200 to $500. It is recommended to consult with a local auto repair shop to get an accurate estimate based on your vehicle's make and model.
Need more information about the P1468 Chevrolet code?
Need more information on how to fix the P1468 Chevrolet code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the P1468 Chevrolet code diagnosed by a professional: Find a repair shop in your area
Information for Specific Chevrolet Models
- P1468 2019 Chevrolet Silverado — EVAP Purge Pump Overspeed
- P1468 2020 Chevrolet Silverado — EVAP Purge Pump Overspeed
- P1468 2021 Chevrolet Silverado — EVAP Purge Pump Overspeed
- P1468 2022 Chevrolet Silverado — EVAP Purge Pump Overspeed
Frequently Asked Questions about P1468 Chevrolet Code
1. What does the OBDII code P1468 mean on a Chevrolet?
P1468 indicates an "EVAP Purge Pump Overspeed," which means the EVAP system's purge pump is operating at a higher speed than expected, possibly due to a malfunction.
2. What are the common symptoms of code P1468 in a Chevrolet?
Symptoms may include an illuminated check engine light, decreased fuel efficiency, difficulty starting the engine, and a noticeable fuel odor.
3. What causes the EVAP purge pump to overspeed in a Chevrolet?
Common causes include a faulty EVAP purge pump, a vacuum leak in the EVAP system, a clogged or damaged vent valve, or an issue with the purge pump control circuit.
4. Can I still drive my Chevrolet with a P1468 code?
While the vehicle may still be drivable, ignoring the issue can lead to increased emissions, poor fuel economy, and potential damage to the EVAP system.
5. How is the P1468 code diagnosed on a Chevrolet?
A technician will use a scan tool to read the code, perform a visual inspection of the EVAP system, check for vacuum leaks, and test the purge pump's operation and electrical connections.
6. What repairs are needed to fix the P1468 code on a Chevrolet?
Repairs may include replacing the EVAP purge pump, sealing vacuum leaks, cleaning or replacing the vent valve, or repairing damaged wiring in the purge pump circuit.
7. How much does it cost to fix a P1468 code on a Chevrolet?
Repair costs can vary depending on the root cause but typically range from $100 to $500, including parts and labor.
8. Can a loose gas cap trigger the P1468 code on a Chevrolet?
While a loose gas cap can trigger some EVAP-related codes, it is less likely to cause P1468, as this code specifically relates to the purge pump's operation.
9. How can I prevent the P1468 code from recurring on my Chevrolet?
Regularly inspect and maintain the EVAP system, ensure the gas cap is properly tightened, and address fuel system issues promptly.
10. Will clearing the P1468 code fix the problem on a Chevrolet?
Clearing the code may temporarily turn off the check engine light, but the underlying issue must be resolved to prevent the code from returning.
Discuss the causes and fixes for P1468 Chevrolet OBDII Code
Code P1468 Chevrolet 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.