P118F Chevrolet Code - Exhaust Gas Temperature Sensor 2 Performance Engine Running
Quick Answer
The P118F code for Chevrolet vehicles indicates a problem with the Exhaust Gas Temperature (EGT) Sensor 2's performance while the engine is running. Common causes include Faulty EGT Sensor 2, Wiring or connector issues, Exhaust system leaks. 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
- P118F Chevrolet indicates Exhaust Gas Temperature Sensor 2 Performance Engine Running.
- Common causes
- Common causes include Faulty EGT Sensor 2, Wiring or connector issues, Exhaust system leaks.
- 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.
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Code P118F Chevrolet Description
The P118F code for Chevrolet vehicles indicates a problem with the Exhaust Gas Temperature (EGT) Sensor 2's performance while the engine is running. This sensor is responsible for monitoring the exhaust gas temperature and providing data to the engine control module (ECM) to ensure optimal fuel efficiency and emissions control. When this sensor malfunctions or fails to perform as expected, it can lead to a variety of issues that affect the vehicle's performance and overall operation.
Common Causes of P118F Chevrolet
- Faulty EGT Sensor 2
- Wiring or connector issues
- Exhaust system leaks
- Exhaust gas recirculation (EGR) system problems
- ECM software or hardware issues
Symptoms of P118F Chevrolet
- Decreased fuel efficiency
- Engine power loss
- Rough idling or stalling
- Increased emissions
- Engine misfires
How to Fix P118F Chevrolet
- Diagnose the EGT Sensor 2 using a scan tool to verify the code and check for any related trouble codes.
- Inspect the sensor, wiring, and connectors for any visible damage or corrosion.
- Test the sensor's resistance and voltage output to determine if it is functioning properly.
- Replace the EGT Sensor 2 if it is found to be faulty, ensuring proper installation and connection.
- Clear the diagnostic trouble codes from the ECM memory and perform a road test to confirm that the issue has been resolved.
Cost to Fix P118F Chevrolet
The cost of repairing a P118F code related to the Exhaust Gas Temperature Sensor 2 performance can vary depending on the specific vehicle make and model, the location of the repair shop, and the extent of the issue. In general, the price for parts such as a new EGT sensor can range from $100 to $300, while labor costs may add another $100 to $200 to the total bill. Therefore, the total repair cost for this issue could be around $200 to $500, but it's advisable to obtain a personalized estimate from a qualified mechanic or repair facility. Keep in mind that diagnostic time and labor rates can fluctuate, so it's essential to inquire about these factors before proceeding with the repair.
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Information for Specific Chevrolet Models
- P118F 2014 Chevrolet Silverado — Exhaust Gas Temperature Sensor 2 Performance Engine Running
- P118F 2015 Chevrolet Silverado — Exhaust Gas Temperature Sensor 2 Performance Engine Running
- P118F 2016 Chevrolet Silverado — Exhaust Gas Temperature Sensor 2 Performance Engine Running
- P118F 2017 Chevrolet Silverado — Exhaust Gas Temperature Sensor 2 Performance Engine Running
- P118F 2018 Chevrolet Silverado — Exhaust Gas Temperature Sensor 2 Performance Engine Running
Frequently Asked Questions about P118F Chevrolet Code
1. What are common symptoms of OBDII code P118F in a Chevrolet related to the Exhaust Gas Temperature Sensor 2 performance while the engine is running?
The common symptoms include poor engine performance, reduced fuel efficiency, and potential illumination of the check engine light.
2. What are some possible causes of OBDII code P118F in a Chevrolet related to the Exhaust Gas Temperature Sensor 2 performance while the engine is running?
Possible causes include a faulty exhaust gas temperature sensor, wiring issues, sensor circuit problems, exhaust system leaks, or a malfunctioning engine control module.
3. How can I diagnose the OBDII code P118F in a Chevrolet related to the Exhaust Gas Temperature Sensor 2 performance while the engine is running?
Diagnosis typically involves using an OBDII scanner to retrieve the specific fault code, inspecting the sensor and its wiring for damage, checking for exhaust leaks, and testing the sensor's resistance and voltage output.
4. Can I continue driving my Chevrolet with OBDII code P118F related to the Exhaust Gas Temperature Sensor 2 performance while the engine is running?
It is not recommended to continue driving with this code present, as it can lead to further engine issues and potential damage. It's best to address the problem promptly to avoid more serious issues.
5. How can I repair OBDII code P118F in a Chevrolet related to the Exhaust Gas Temperature Sensor 2 performance while the engine is running?
Repair may involve replacing the faulty exhaust gas temperature sensor, repairing damaged wiring, fixing exhaust leaks, or reprogramming the engine control module. It's recommended to follow the manufacturer's repair procedures.
6. Are there any DIY tips for fixing OBDII code P118F in a Chevrolet related to the Exhaust Gas Temperature Sensor 2 performance while the engine is running?
While some basic troubleshooting like checking for loose connections or damaged wiring can be done as a DIY, it's recommended to have a professional diagnose and repair this issue due to the complexity of the sensor and its integration with the engine system.
7. How long does it typically take to repair OBDII code P118F in a Chevrolet related to the Exhaust Gas Temperature Sensor 2 performance while the engine is running?
The repair time can vary depending on the exact cause of the issue. It can range from a quick sensor replacement to more extensive repairs if wiring or other components need attention. It's best to consult a mechanic for a more accurate estimate.
8. Can a faulty OBDII code P118F related to the Exhaust Gas Temperature Sensor 2 performance affect the vehicle's emissions?
Yes, a faulty sensor can impact the vehicle's emissions by causing incorrect readings and affecting the fuel-air mixture. It's important to address this issue to ensure the vehicle meets emissions standards.
9. Will resetting the OBDII system clear the P118F code related to the Exhaust Gas Temperature Sensor 2 performance in a Chevrolet?
While resetting the system may temporarily clear the code, it will likely reappear if the underlying issue is not addressed. It's recommended to diagnose and repair the problem to prevent the code from returning.
10. Is it necessary to replace the Exhaust Gas Temperature Sensor 2 when dealing with OBDII code P118F in a Chevrolet?
In most cases, replacing the sensor is the most effective solution for resolving the P118F code related to the Exhaust Gas Temperature Sensor 2 performance issue. However, proper diagnosis by a qualified technician is essential to confirm the exact cause of the problem before replacing any parts.
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