AutoCodes – Chevrolet – P013F Chevrolet

P013F Chevrolet Code - HO2S Delay Response Lean to Rich Bank 1 Sensor 2

Quick Answer

The Heated Oxygen Sensors (HO2S) are used for fuel control and catalyst monitoring. Common causes include Faulty Heated Oxygen Bank 1 Sensor 2, Heated Oxygen Bank 1 Sensor 2 harness is open or shorted, Heated Oxygen Bank 1 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: P013F Chevrolet indicates HO2S Delay Response Lean to Rich Bank 1 Sensor 2.
Common causes: Common causes include Faulty Heated Oxygen Bank 1 Sensor 2, Heated Oxygen Bank 1 Sensor 2 harness is open or shorted, Heated Oxygen Bank 1 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 7,131

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 P013F Chevrolet 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 O2 sensor voltage has not increased above 350 mV within a calibrated value of accumulated airflow.

OBDII Code P013F Chevrolet - HO2S Delay Response Lean to Rich Bank 1 Sensor 2 - AutoCodes.com — P013F Chevrolet Code - HO2S Delay Response Lean to Rich Bank 1 Sensor 2

What does this mean?

What are the Possible Causes of the DTC P013F Chevrolet?

Faulty Heated Oxygen Bank 1 Sensor 2
Heated Oxygen Bank 1 Sensor 2 harness is open or shorted
Heated Oxygen Bank 1 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 P013F Chevrolet?

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.

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What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P013F Chevrolet 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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Information for Specific Chevrolet Models

P013F 2014 Chevrolet Silverado — HO2S Delay Response Lean to Rich Bank 1 Sensor 2
P013F 2015 Chevrolet Silverado — HO2S Delay Response Lean to Rich Bank 1 Sensor 2
P013F 2016 Chevrolet Silverado — HO2S Delay Response Lean to Rich Bank 1 Sensor 2
P013F 2017 Chevrolet Silverado — HO2S Delay Response Lean to Rich Bank 1 Sensor 2
P013F 2018 Chevrolet Silverado — HO2S Delay Response Lean to Rich Bank 1 Sensor 2

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 P013F Chevrolet Code

1. What does the OBDII code P013F mean on a Chevrolet?

P013F indicates that the oxygen sensor (HO2S) in Bank 1 Sensor 2 is responding too slowly when transitioning from a lean to a rich condition.

2. What are the common symptoms of code P013F in a Chevrolet?

Symptoms may include the check engine light turning on, reduced fuel efficiency, and, in some cases, rough idling or hesitation during acceleration.

3. What causes the P013F code to appear in a Chevrolet?

Common causes include a faulty downstream oxygen sensor (Bank 1 Sensor 2), exhaust leaks, wiring issues, or contamination of the sensor from oil or coolant.

4. How do you diagnose the P013F code on a Chevrolet?

Diagnosis involves using an OBDII scanner to confirm the code, inspecting the oxygen sensor and wiring for damage, checking for exhaust leaks, and monitoring live data to assess sensor response times.

5. Can a dirty or faulty oxygen sensor cause the P013F code?

Yes, a dirty or faulty oxygen sensor is one of the most common reasons for this code, as it can fail to respond quickly to changes in the air-fuel ratio.

6. Is it safe to drive a Chevrolet with the P013F code?

While it may be safe to drive short distances, prolonged driving with this code can lead to poor fuel economy, increased emissions, and potential damage to the catalytic converter.

7. How do you fix the P013F code on a Chevrolet?

Repairs may include replacing the downstream oxygen sensor (Bank 1 Sensor 2), repairing exhaust leaks, fixing damaged wiring, or cleaning the sensor if contamination is present.

8. Can an exhaust leak trigger the P013F code in a Chevrolet?

Yes, an exhaust leak can cause incorrect oxygen sensor readings, leading to the P013F code.

9. How much does it cost to fix the P013F code on a Chevrolet?

The cost can vary, but replacing an oxygen sensor typically ranges from $150 to $300, including parts and labor. Additional repairs, such as fixing an exhaust leak, may increase the cost.

10. How can you prevent the P013F code from recurring in a Chevrolet?

Regular maintenance, including timely replacement of oxygen sensors and addressing exhaust or engine issues promptly, can help prevent this code from recurring.