P2120 Chevrolet Code - Accelerator Pedal Position Sensor 1 Circuit
Quick Answer
The P2120 code for Chevrolet vehicles indicates a problem with the Accelerator Pedal Position Sensor 1 Circuit. Common causes include Faulty Accelerator Pedal Position Sensor, Wiring issues or damaged connectors, Corrosion or poor connection in the sensor circuit. 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
- P2120 Chevrolet indicates Accelerator Pedal Position Sensor 1 Circuit.
- Common causes
- Common causes include Faulty Accelerator Pedal Position Sensor, Wiring issues or damaged connectors, Corrosion or poor connection in the sensor circuit.
- 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 P2120 Chevrolet Description
The P2120 code for Chevrolet vehicles indicates a problem with the Accelerator Pedal Position Sensor 1 Circuit. This sensor is responsible for sending the signal to the engine control module (ECM) regarding the position of the accelerator pedal. The ECM uses this information to adjust the fuel delivery and ignition timing, affecting the engine's performance.
Common Causes of P2120 Chevrolet
- Faulty Accelerator Pedal Position Sensor.
- Wiring issues or damaged connectors.
- Corrosion or poor connection in the sensor circuit.
- ECM software or hardware problems.
- Environmental factors such as moisture or debris affecting the sensor.
Symptoms of P2120 Chevrolet
- Hesitation or lack of response when pressing the accelerator pedal.
- Engine stalling or rough idling.
- Reduced fuel efficiency.
- Illumination of the Check Engine light.
- Limited or no acceleration when pressing the pedal.
How to Fix P2120 Chevrolet
- Diagnose the issue using a scan tool to confirm the P2120 code and pinpoint the exact cause.
- Inspect the wiring and connectors for any damage or corrosion, repairing or replacing as necessary.
- Test the Accelerator Pedal Position Sensor for proper operation and replace if found faulty.
- Clear the code from the ECM memory and perform a test drive to ensure the issue is resolved.
- If the problem persists, further diagnostic testing may be required to identify any underlying issues.
Cost to Fix P2120 Chevrolet
The cost of repairing the Accelerator Pedal Position Sensor 1 Circuit can vary depending on the extent of the damage and the specific parts needed for replacement. On average, the parts cost for a new sensor ranges from $50 to $150, while labor costs can range from $100 to $300. Overall, the total repair cost could be anywhere from $150 to $450. Keep in mind that labor rates and part prices can vary based on location and the specific Chevrolet model being serviced. It's recommended to consult with a trusted mechanic or dealership for an accurate estimate.
Need more information about the P2120 Chevrolet code?
Need more information on how to fix the P2120 Chevrolet code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the P2120 Chevrolet code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about P2120 Chevrolet Code
No Frequently Asked Questions about P2120 Chevrolet Code found.
Discuss the causes and fixes for P2120 Chevrolet OBDII Code
Code P2120 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.