P146E Chevrolet Code - EVAP Purge System Pressure Sensor Circuit High Voltage
Quick Answer
The P146E diagnostic trouble code for Chevrolet vehicles indicates a problem with the EVAP (Evaporative Emission Control) purge system pressure sensor circuit registering a high voltage. Common causes include Faulty EVAP purge system pressure sensor, Leak in the EVAP system, Blockage in the EVAP system. 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
- P146E Chevrolet indicates EVAP Purge System Pressure Sensor Circuit High Voltage.
- Common causes
- Common causes include Faulty EVAP purge system pressure sensor, Leak in the EVAP system, Blockage in the EVAP system.
- 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.
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Code P146E Chevrolet Description
The P146E diagnostic trouble code for Chevrolet vehicles indicates a problem with the EVAP (Evaporative Emission Control) purge system pressure sensor circuit registering a high voltage. The EVAP system is designed to capture and store fuel vapors from the fuel tank to prevent them from being released into the atmosphere. The purge system pressure sensor monitors the pressure within the EVAP system to ensure it is functioning properly. When the sensor detects a high voltage, it means that the pressure in the system is higher than expected, which could indicate a leak or blockage in the system.
Common Causes of P146E Chevrolet
- Faulty EVAP purge system pressure sensor
- Leak in the EVAP system
- Blockage in the EVAP system
- Electrical issues in the sensor circuit
- Malfunctioning purge valve
Symptoms of P146E Chevrolet
- Check engine light illuminated
- Reduced fuel efficiency
- Strong fuel odor
- Failed emissions testing
- Rough idling or stalling
How to Fix P146E Chevrolet
- Diagnose the issue by using a scan tool to retrieve the trouble codes and perform a visual inspection of the EVAP system.
- Test the EVAP purge system pressure sensor to determine if it is functioning correctly.
- Inspect the EVAP system for leaks or blockages and repair as needed.
- Check the electrical connections in the sensor circuit and repair any damaged wires or connectors.
- Replace the EVAP purge system pressure sensor or purge valve if they are found to be faulty.
Cost to Fix P146E Chevrolet
The cost of repairing a P146E code on a Chevrolet vehicle can vary depending on the specific cause of the issue and the cost of parts and labor. In general, the repair for this type of problem could range from $100 to $500, including parts and labor. However, it's important to note that diagnosis time and labor rates at auto repair shops can vary based on location, vehicle make and model, and engine type. It's recommended to consult with a local auto repair shop for a more accurate estimate based on your specific circumstances.
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