AutoCodes – Saturn – P013D Saturn

P013D Saturn Code - HO2S Slow Response Lean to Rich Bank 2 Sensor 2

Quick Answer

The Heated Oxygen Sensors (HO2S) are used for fuel control and catalyst monitoring. Common causes include Faulty Heated Oxygen Bank 2 Sensor 2, Heated Oxygen Bank 2 Sensor 2 harness is open or shorted, Heated Oxygen Bank 2 Sensor 2 circuit poor electrical connection. 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: P013D Saturn indicates HO2S Slow Response Lean to Rich Bank 2 Sensor 2.
Common causes: Common causes include Faulty Heated Oxygen Bank 2 Sensor 2, Heated Oxygen Bank 2 Sensor 2 harness is open or shorted, Heated Oxygen Bank 2 Sensor 2 circuit poor electrical connection.
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.

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Code Popularity 1,236

How popular is this code, among other codes? Low

Repair Importance Level

Moderate (Service soon) (2 / 3)

Repair Difficulty Level

Intermediate (2 / 3)

What is this?

Table of contents Created and updated by William Orellana on May 28, 2022

Description
Possible Causes
How To Fix
Tech Notes
Cost to Diagnose
FAQs
Comments
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Code P013D Saturn Description

The Heated Oxygen Sensors (HO2S) are used for fuel control and catalyst monitoring. Each HO2S compares the oxygen content of the surrounding air with the oxygen content of the exhaust stream. When the engine is started, the Engine Control Module (ECM) operates in an Open Loop mode, ignoring the HO2S signal voltage while calculating the air-to-fuel ratio. While the engine runs, the HO2S heats up and begins to generate a voltage within a range of 0 - 1, 000 mV. Once sufficient HO2S voltage fluctuation is observed by the ECM, Closed Loop is entered. The ECM uses the HO2S voltage to determine the air-to-fuel ratio. An HO2S voltage that increases toward 1, 000 mV indicates a rich fuel mixture. An HO2S voltage that decreases toward 0 mV indicates a lean fuel mixture.
The heating elements inside each HO2S heat the sensor to bring the sensor up to operating conditions faster. This allows the system to enter Closed Loop earlier and the ECM to calculate the air-to-fuel ratio sooner.
The Diagnostic Trouble Code (DTC) will be set when the ECM detects that the accumulated mass airflow monitored during lean-to-rich transitions between 350 - 650 mV is greater than calibrated value.

OBDII Code P013D Saturn - HO2S Slow Response Lean to Rich Bank 2 Sensor 2 - AutoCodes.com — P013D Saturn Code - HO2S Slow Response Lean to Rich Bank 2 Sensor 2

What does this mean?

What are the Possible Causes of the DTC P013D Saturn?

Faulty Heated Oxygen Bank 2 Sensor 2
Heated Oxygen Bank 2 Sensor 2 harness is open or shorted
Heated Oxygen Bank 2 Sensor 2 circuit poor electrical connection
Low or high fuel system pressure
Fuel contamination
Faulty fuel injectors
Exhaust gas leaks
Engine vacuum leaks

How to Fix the DTC P013D Saturn?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What does this mean?

Code Tech Notes

Replacing the Rear Heated Oxygen Sensors (HO2S) usually takes care of the problem.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P013D Saturn code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P013D Saturn Code

1. What are the common symptoms of OBDII code P013D in a Saturn?

Common symptoms of code P013D include poor fuel economy, rough idle, hesitation or stalling, and a possible check engine light.

2. What does the OBDII code P013D in a Saturn indicate?

Code P013D indicates a slow response from the downstream oxygen sensor (Bank 2 Sensor 2), causing the air-fuel mixture to fluctuate between lean and rich conditions.

3. What are the possible causes of OBDII code P013D in a Saturn?

Possible causes of code P013D include a faulty downstream oxygen sensor, wiring issues, exhaust leaks, fuel system problems, or a malfunctioning engine control module.

4. How can I diagnose the OBDII code P013D in my Saturn?

Diagnosing code P013D involves using an OBDII scanner to retrieve the code, checking the downstream oxygen sensor's response time, inspecting the sensor's wiring and connections, and looking for any exhaust leaks.

5. How can I repair OBDII code P013D in my Saturn?

Repairing code P013D may involve replacing the downstream oxygen sensor (Bank 2 Sensor 2), repairing any damaged wiring or connections, fixing exhaust leaks, or addressing any underlying fuel system issues.

6. Can I continue driving my Saturn with OBDII code P013D?

It is not recommended to drive your Saturn with an unresolved code P013D, as it can lead to poor engine performance, decreased fuel efficiency, and potential damage to the catalytic converter.

7. How much does it cost to repair OBDII code P013D in a Saturn?

The cost to repair code P013D in a Saturn can vary depending on the specific issue causing the code, but it may range from $100 to $400 for parts and labor.

8. Will resetting the check engine light resolve OBDII code P013D in my Saturn?

Resetting the check engine light may temporarily clear the code, but if the underlying issue causing code P013D is not addressed, the check engine light is likely to come back on.

9. Can a DIY enthusiast repair OBDII code P013D in a Saturn?

Depending on your skill level and access to tools, a DIY enthusiast may be able to replace the downstream oxygen sensor or check for wiring issues related to code P013D in a Saturn.

10. How often does OBDII code P013D occur in Saturn vehicles?

Code P013D can occur in Saturn vehicles, particularly as they age and components like oxygen sensors degrade. Regular maintenance and timely repairs can help prevent this code from appearing.