[SOLVED] Dodge P0159 Code: Fast Fix For Slow O2 Sensor Response

The OBD code P0159 for Dodge 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 harness issues, or fuel system problems.

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)

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Symptoms of the Dodge p0159 OBD Code

The Dodge P0159 fault code indicates an issue with the slow response of the oxygen sensor.

Symptoms for Dodge OBD code P0159 include: Engine Light ON.
High Fuel Consumption.
Excessive Smoke from Exhaust.

Causes of the Dodge p0159 OBD Code

Possible triggers for Dodge fault code P0159 include faulty oxygen sensor, wiring issues, or exhaust system leaks.

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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 Dodge Error Code p0159 Step By Step

Address the issue by inspecting the bank 2 sensor 2 oxygen sensor circuit for Dodge code P0159.

To fix Dodge 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 and perform a test drive to verify the repair.
If the issue persists, consider resetting the engine control module (ECM) or performing a software update.

Cost Of Fixing Dodge p0159 Fault Code

The repair for Dodge code P0159 involves diagnosing and fixing an issue with the bank 2 sensor 2 circuit.

The cost to diagnose and fix the Dodge OBD code P0159 depends on the estimated 1. 0hour repair time.

Labor rates usually range from $75 to $150 per hour, so the total cost could be between $75 and $150, excluding parts.

Factors like shop rates and the complexity of the repair can affect the final cost.

Details of the Dodge p0159 OBD Code

Dodge fault code P0159 relates to the slow response of the oxygen sensor bank 2 sensor 2.

Dodge OBD code P0159 means Slow Response of O2 Sensor 2 Bank 2. This code is triggered when the downstream oxygen sensor (sensor 2) in bank 2 takes too long to respond to changes in the airfuel mixture.

The ECM monitors the signal from this oxygen sensor to adjust fuel trim for optimal engine performance and emissions control.

Mechanic’s Tech Notes

Detailed information on Dodge fault code P0159, including possible causes and diagnostic steps for resolution.

OBDII code P0159 in a Dodge indicates an issue with the bank 2 sensor 2 oxygen sensor circuit slow response.

To diagnose, use a voltmeter to test the oxygen sensor’s voltage output.

Check for proper operation and wiring integrity.

Scan tools can monitor sensor data to confirm proper response.

Possible causes include a faulty oxygen sensor, wiring issues, or an ECM problem.

Visually inspect wiring and connectors for damage or corrosion.

Replace the oxygen sensor if necessary.

Reset the code and retest to ensure the issue is resolved.

FAQ

1. What does OBD code P0159 mean in a Dodge vehicle?

OBD code P0159 in a Dodge means an issue with the Rear Heated Oxygen Sensor Bank 2. Check sensor, wiring, fuel system, and intake/exhaust for faults.

2. What are the common symptoms associated with fault code P0159 in a Dodge?

Common symptoms of fault code P0159 in a Dodge include Engine Light ON, High Fuel Consumption, Excessive Smoke from Exhaust. Causes may involve rear oxygen sensor issues.

3. How can I diagnose and repair OBD code P0159 in my Dodge vehicle?

Diagnose and repair OBD code P0159 in your Dodge by checking the rear heated oxygen sensor Bank 2 and its wiring for faults or poor connections.

Wrap Up

If your Dodge is displaying OBD 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 Dodge OBD code P0159, start by inspecting the wiring harness and connectors related to the bank 2 sensor 2 oxygen sensor.

Check for any signs of damage, corrosion, or loose connections.

If no issues are found, consider replacing the oxygen sensor itself to resolve