The OBD code P0159 for Chrysler indicates an issue with the Rear Heated Oxygen Sensor Bank 2. Symptoms include the Engine Light ON, high fuel consumption, and excessive exhaust smoke.
Causes may include a faulty sensor, wiring issues, fuel pressure problems, or intake/exhaust leaks.
This code should be addressed promptly to prevent further damage.
A possible fix involves inspecting and repairing the sensor, wiring, and related components.
| Repair Importance Level | 6.67 (Out of 10) |
| Estimated Repair Time | Approximately 1.0 hour |
| Repair Difficulty Level | 6.67 (Out of 10) |
Symptoms of the Chrysler p0159 OBD Code
The vehicle may experience issues related to the bank 2 sensor 2 oxygen sensor circuit.
- Symptoms for Chrysler OBD code P0159 include: Engine Light ON.
- High Fuel Consumption.
- Excessive Smoke from Exhaust.
Causes of the Chrysler p0159 OBD Code
Possible reasons for Chrysler fault code P0159 include issues with the bank 2 sensor 2 oxygen sensor.
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- P0159 can be caused by a Faulty Rear Heated Oxygen Sensor Bank 2.
- A Rear Heated Oxygen Sensor Bank 2 harness that is open or shorted.
- A Rear Heated Oxygen Sensor Bank 2 circuit with poor electrical connection.
- Inappropriate fuel pressure.
- Faulty fuel injectors.
- Intake air leaks that may be faulty.
- Exhaust gas leaks.
Fixing Chrysler Error Code p0159 Step By Step
To resolve Chrysler fault code P0159, address the oxygen sensor slow response in bank 2 sensor 2.
- To fix the Chrysler OBDII code P0159, start by reviewing the possible causes mentioned above.
- Visually examine the corresponding wiring harness and connectors for any damage.
- Inspect the connector pins for signs of being broken, bent, pushed out, or corroded.
- Check the oxygen sensor (Bank 2 Sensor 2) for proper operation and replace if necessary.
- Clear the fault codes using a scan tool and test drive the vehicle to ensure the code does not return.
Cost Of Fixing Chrysler p0159 Fault Code
The repair for Chrysler fault code P0159 typically involves replacing the bank 2 sensor 2 oxygen sensor.
The cost to diagnose and fix Chrysler OBD code P0159 is based on an estimated repair time of 1. 0 hour.
Labor rates usually range from $75 to $150 per hour, so the cost can be around $75 to $150. Factors like shop rates and complexity of the repair can influence the final cost.
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Details of the Chrysler p0159 OBD Code
Chrysler fault code P0159 relates to the slow response of the oxygen sensor bank 2 sensor 2.
Code P0159 in a Chrysler vehicle indicates an issue with the Bank 2 Sensor 2 oxygen sensor.
This sensor is located after the catalytic converter on the side of the engine with cylinder 2. The ECM triggers this code when it detects that the oxygen sensor has a slow response time or is not switching between rich and lean exhaust conditions properly.
This sensor is crucial for monitoring the efficiency of the catalytic converter and ensuring proper fuel mixture for optimal emissions control.
Mechanic’s Tech Notes
For Chrysler code P0159, check the bank 2 sensor 2 oxygen sensor circuit performance.
OBDII code P0159 in a Chrysler indicates an issue with the bank 2 sensor 2 oxygen sensor circuit slow response.
To diagnose, use a voltmeter to check the oxygen sensor’s wiring and connector for any damage or corrosion.
Test the sensor’s heater circuit resistance and ensure proper voltage supply.
Scan tools can monitor sensor data to confirm proper operation.
If no visible issues are found, consider replacing the oxygen sensor.
Reflashing the engine control module may also be necessary to address the fault code.
FAQ
Common symptoms of Chrysler OBD code P0159 include Engine Light ON, High Fuel Consumption, Excessive Smoke from Exhaust. Causes may include faulty rear heated oxygen sensor Bank 2.
The typical root cause of OBD code P0159 in a Chrysler vehicle is a faulty Rear Heated Oxygen Sensor Bank 2 or related wiring issues.
Diagnose and repair OBD code P0159 in your Chrysler by checking rear heated oxygen sensor Bank 2, wiring, connectors, fuel system, and intake/exhaust for faults.
Wrap Up
If your Chrysler is displaying OBDII code P0159, you may experience poor engine performance, decreased fuel efficiency, or rough idling.
This code typically indicates an issue with the bank 2 sensor 2 oxygen sensor circuit, such as a faulty oxygen sensor, damaged wiring, or a poor electrical connection.
To address Chrysler OBDII code P0159, start by inspecting the wiring harness and connectors for any signs of damage or corrosion.
Test the oxygen sensor and its circuit for proper operation.
If necessary, replace the bank 2 sensor 2 oxygen sensor to resolve the issue and
