AutoCodes – Chevrolet – P113B Chevrolet

P113B Chevrolet Code - Exhaust Gas Temperature Sensor 1 Not Plausible

Quick Answer

The exhaust gas temperature sensors are variable resistors that measure the temperature of the exhaust gas at the inlet and outlet of the diesel oxidation catalyst as well as the inlet and outlet of the Diesel Particulate Filter (DPF). Common causes include Faulty Exhaust Gas Temperature Sensor, Exhaust Gas Temperature Sensor harness is open or shorted, Exhaust Gas Temperature Sensor circuit poor electrical connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means
P113B Chevrolet indicates Exhaust Gas Temperature Sensor 1 Not Plausible.
Common causes
Common causes include Faulty Exhaust Gas Temperature Sensor, Exhaust Gas Temperature Sensor harness is open or shorted, Exhaust Gas Temperature Sensor circuit poor electrical connection.
Severity
High - diagnose this code as soon as possible.
Can I drive?
Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 1,518
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Mar 29, 2024
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Code P113B Chevrolet Description

The exhaust gas temperature sensors are variable resistors that measure the temperature of the exhaust gas at the inlet and outlet of the diesel oxidation catalyst as well as the inlet and outlet of the Diesel Particulate Filter (DPF). The Engine Control Module (ECM) supplies a bias 5-volt signal to the exhaust gas temperature sensor signal circuit and supplies a ground to the low reference circuit. The exhaust gas temperature information is used by the ECM during the particulate filter cleaning process. The following table illustrates the relationship between the temperature of the exhaust gas and the resistance and voltage of the exhaust gas temperature sensor. The Diagnostic Trouble Code (DTC) will be set if the ECM detects an exhaust gas temperature value that is not plausible when the ignition is switched on.
OBDII Code P113B Chevrolet - Exhaust Gas Temperature Sensor 1 Not Plausible - AutoCodes.com
P113B Chevrolet Code - Exhaust Gas Temperature Sensor 1 Not Plausible

What are the Possible Causes of the DTC P113B Chevrolet?

  • Faulty Exhaust Gas Temperature Sensor
  • Exhaust Gas Temperature Sensor harness is open or shorted
  • Exhaust Gas Temperature Sensor circuit poor electrical connection
  • Faulty Engine Control Module (ECM)

How to Fix the DTC P113B 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 is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P113B 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.

Need more information about the P113B Chevrolet code?

Need more information on how to fix the P113B Chevrolet code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P113B Chevrolet code diagnosed by a professional: Find a repair shop in your area

Information for Specific Chevrolet Models

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 P113B Chevrolet Code

1. What are the common symptoms of OBDII code P113B in a Chevrolet related to the Exhaust Gas Temperature Sensor 1 Not Plausible?

- Common symptoms include poor engine performance, decreased fuel efficiency, and the illumination of the check engine light.

2. What are the possible causes of OBDII code P113B in a Chevrolet indicating an issue with Exhaust Gas Temperature Sensor 1?

- Possible causes may include a faulty exhaust gas temperature sensor, wiring issues, sensor placement problems, or a malfunctioning engine control module.

3. How can I diagnose OBDII code P113B in a Chevrolet related to the Exhaust Gas Temperature Sensor 1 Not Plausible?

- Diagnosis involves using an OBDII scanner to read the code, inspecting the exhaust gas temperature sensor and its wiring, and conducting tests to determine the root cause.

4. Is it safe to continue driving with OBDII code P113B in a Chevrolet indicating an issue with the Exhaust Gas Temperature Sensor 1?

- It is not recommended to continue driving with this code present, as it can lead to further damage to the engine and emissions system.

5. Can I repair OBDII code P113B in a Chevrolet related to the Exhaust Gas Temperature Sensor 1 on my own?

- While some DIY enthusiasts may attempt the repair, it is advisable to seek professional help to accurately diagnose and fix the issue.

6. How much does it typically cost to repair OBDII code P113B in a Chevrolet associated with the Exhaust Gas Temperature Sensor 1 Not Plausible?

- The cost of repair can vary depending on the specific cause of the issue, but it may range from $100 to $300 or more, including parts and labor.

7. Are there any preventive maintenance tips to avoid OBDII code P113B in a Chevrolet related to the Exhaust Gas Temperature Sensor 1?

- Regularly inspecting and maintaining the exhaust system, including the temperature sensor, can help prevent issues leading to this OBDII code.

8. Can a faulty Exhaust Gas Temperature Sensor 1 affect the vehicle's emissions output?

- Yes, a faulty sensor can impact the vehicle's emissions output, potentially leading to increased emissions and failing emissions tests.

9. Will resetting the check engine light clear OBDII code P113B in a Chevrolet indicating an issue with the Exhaust Gas Temperature Sensor 1?

- Resetting the check engine light may temporarily turn it off, but the underlying issue causing the code will still need to be addressed to prevent further problems.

10. How long does it typically take to repair OBDII code P113B in a Chevrolet related to the Exhaust Gas Temperature Sensor 1?

- The repair duration can vary based on the complexity of the issue and availability of parts, but it may take anywhere from a few hours to a full day at a repair shop.

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