P0151 Dodge Code - O2 sensor 2/1 Circuit Low
Quick Answer
The P0151 diagnostic trouble code (DTC) for Dodge vehicles indicates that there is a problem with the O2 sensor 2/1 circuit being too low. Common causes include Faulty O2 sensor, Damaged or corroded wiring in the O2 sensor circuit, ECM malfunction. Severity is Moderate - service should be scheduled soon. The vehicle may still be drivable for short trips if it runs normally, but avoid hard driving and repair it soon.
- What it means
- P0151 Dodge indicates O2 sensor 2/1 Circuit Low.
- Common causes
- Common causes include Faulty O2 sensor, Damaged or corroded wiring in the O2 sensor circuit, ECM malfunction.
- Severity
- Moderate - service should be scheduled soon.
- Can I drive?
- The vehicle may still be drivable for short trips if it runs normally, but avoid hard driving and repair it soon.
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 P0151 Dodge Description
The P0151 diagnostic trouble code (DTC) for Dodge vehicles indicates that there is a problem with the O2 sensor 2/1 circuit being too low. This code specifically relates to the second oxygen sensor on the first bank of the engine. The O2 sensor is responsible for measuring the oxygen content in the exhaust gases and sending this data to the engine control module (ECM) to adjust the air-fuel mixture for optimal combustion efficiency.
Common Causes of P0151 Dodge
- Faulty O2 sensor
- Damaged or corroded wiring in the O2 sensor circuit
- ECM malfunction
- Exhaust leaks near the O2 sensor
- Poor quality fuel affecting sensor readings
Symptoms of P0151 Dodge
- Decreased fuel efficiency
- Rough idling or stalling
- Engine misfires
- Increased emissions
- Check Engine Light illuminated
How to Fix P0151 Dodge
- Use an OBD-II scanner to confirm the P0151 code and pinpoint the issue with the O2 sensor 2/1 circuit.
- Inspect the O2 sensor and wiring for any visible damage or corrosion. Replace the sensor if necessary.
- Check the ECM for any signs of malfunction and reprogram or replace if needed.
- Clear the DTC with the scanner and test drive the vehicle to ensure the issue has been resolved.
- Monitor the vehicle's performance and emissions to confirm that the repair was successful.
Cost to Fix P0151 Dodge
The cost of repairing a P0151 DTC for a Dodge vehicle can vary depending on the specific model and year. In general, the price for a new O2 sensor can range from $50 to $200, while labor costs can add an additional $100 to $200. Therefore, the total repair cost for this issue may be around $150 to $400. It's important to keep in mind that these are rough estimates, and actual costs may differ based on location, vehicle specifics, and labor rates at the auto repair shop.
Tech Notes for P0151 Dodge
There is a Factory Service Bulletin for following Dodge models:
2005-2006 Dodge Magnum
2005-2006 Dodge Charger
Dodge Factory Service Bulletin OBDII Code P0151
When is the Code Detected?
Need more information about the P0151 Dodge code?
Need more information on how to fix the P0151 Dodge code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the P0151 Dodge code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about P0151 Dodge Code
No Frequently Asked Questions about P0151 Dodge Code found.
Discuss the causes and fixes for P0151 Dodge OBDII Code
-
What model and year is your vehicle? how long it takes for the code to come back? are there any exhaust leaks?
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.