AutoCodes – Buick – P113E Buick

P113E Buick Code - Exhaust Gas Temperature Sensor 4 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
P113E Buick indicates Exhaust Gas Temperature Sensor 4 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 398
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 P113E Buick 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 P113E Buick - Exhaust Gas Temperature Sensor 4 Not Plausible - AutoCodes.com
P113E Buick Code - Exhaust Gas Temperature Sensor 4 Not Plausible

What are the Possible Causes of the DTC P113E Buick?

  • 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 P113E Buick?

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 P113E Buick 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 P113E Buick Code

1. What does the OBDII code P113E on a Buick mean?

P113E indicates that the Exhaust Gas Temperature Sensor 4 is providing data that is not plausible or within the expected range as detected by the engine control module (ECM).

2. What are the common symptoms of a P113E code in a Buick?

Symptoms may include the check engine light turning on, reduced engine performance, poor fuel efficiency, or the engine running hotter than normal.

3. What causes the P113E code to appear on a Buick?

Common causes include a faulty exhaust gas temperature sensor, damaged wiring or connectors in the sensor circuit, or an issue with the ECM itself.

4. Can I drive my Buick with the P113E code active?

While it may be possible to drive, it is not recommended as it could lead to further engine or emissions system damage if left unaddressed.

5. How do I diagnose the P113E code on my Buick?

Diagnosis typically involves scanning for additional codes, inspecting the wiring and connectors for damage, and testing the exhaust gas temperature sensor with a multimeter.

6. How do you fix the P113E code on a Buick?

Repairs may include replacing the faulty exhaust gas temperature sensor, repairing or replacing damaged wiring, or reprogramming/updating the ECM if necessary.

7. What is the function of the exhaust gas temperature sensor in a Buick?

The exhaust gas temperature sensor monitors the temperature of exhaust gases to optimize engine performance and emissions control.

8. How much does it cost to fix the P113E code on a Buick?

The cost varies depending on the issue, but replacing an exhaust gas temperature sensor typically ranges from $100 to $300, including parts and labor.

9. Can a dirty exhaust system trigger the P113E code in a Buick?

While unlikely, excessive soot or debris in the exhaust system could potentially interfere with the sensor's readings and cause the code.

10. Will clearing the P113E code fix the problem permanently?

Clearing the code may turn off the check engine light temporarily, but the underlying issue must be resolved to prevent the code from returning.

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