P118F 2016 GMC Sierra Code - Exhaust Gas Temperature Sensor 2 Performance Engine Running
Quick Answer
The P118F diagnostic trouble code (DTC) for a 2016 GMC Sierra refers to an issue with the Exhaust Gas Temperature Sensor 2 performance while the engine is running. Common causes include Faulty exhaust gas temperature sensor 2, Wiring harness issues, Sensor calibration problems. 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 2016 GMC Sierra indicates Exhaust Gas Temperature Sensor 2 Performance Engine Running.
- Common causes
- Common causes include Faulty exhaust gas temperature sensor 2, Wiring harness issues, Sensor calibration problems.
- 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 2016 GMC Sierra Description
The P118F diagnostic trouble code (DTC) for a 2016 GMC Sierra refers to an issue with the Exhaust Gas Temperature Sensor 2 performance while the engine is running. This sensor is responsible for monitoring the exhaust gas temperature, providing crucial data to the engine control module (ECM) to ensure optimal engine performance and emissions control. When the sensor fails to perform as expected, it can lead to a variety of issues that affect the vehicle's overall performance and efficiency.
Common Causes of P118F 2016 GMC Sierra
- Faulty exhaust gas temperature sensor 2
- Wiring harness issues
- Sensor calibration problems
- Exhaust leaks
- ECM malfunctions
Symptoms of P118F 2016 GMC Sierra
- Reduced engine performance
- Decreased fuel efficiency
- Illuminated check engine light
- Increased emissions
- Rough idling or stalling
How to Fix P118F 2016 GMC Sierra
- Diagnostic testing to confirm the P118F code and identify the specific cause
- Inspect and test the exhaust gas temperature sensor 2 for proper operation
- Check the wiring harness for any damage or loose connections
- Address any exhaust leaks or issues that may be affecting sensor performance
- Reset the ECM and clear the code to see if the issue persists
Cost to Fix P118F 2016 GMC Sierra
The typical repair costs for addressing the P118F code on a 2016 GMC Sierra can vary depending on the specific cause of the issue. In general, the cost of replacing a faulty exhaust gas temperature sensor 2 and addressing any related wiring or exhaust system issues can range from $200 to $500 for parts and labor. However, it's important to note that diagnosis time and labor rates at auto repair shops can vary significantly, so it's advisable to obtain a detailed estimate from a qualified mechanic before proceeding with the repair.
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Frequently Asked Questions about P118F 2016 GMC Sierra Code
What does the OBDII code P118F mean for a 2016 GMC Sierra?
The code P118F indicates an issue with Exhaust Gas Temperature Sensor 2 Performance while the engine is running, meaning the sensor is not functioning as expected.
What are the common symptoms of code P118F in a 2016 GMC Sierra?
Symptoms may include reduced engine performance, increased emissions, warning lights on the dashboard, or abnormal exhaust system behavior.
What causes the P118F code on a 2016 GMC Sierra?
Possible causes include a faulty exhaust gas temperature sensor, damaged wiring or connectors, excessive soot buildup on the sensor, or issues with the vehicle's exhaust system.
Can I drive my 2016 GMC Sierra with the P118F code?
While the vehicle may still be drivable, ignoring the code could lead to reduced fuel efficiency, increased emissions, or damage to other components, so repairs should be addressed promptly.
How do I diagnose the P118F code on a 2016 GMC Sierra?
Diagnose the code by scanning for other related codes, inspecting the exhaust gas temperature sensor and wiring for damage, and checking for soot buildup or exhaust system leaks.
How can the P118F code be fixed on a 2016 GMC Sierra?
Fixes may include replacing the faulty exhaust gas temperature sensor, repairing damaged wiring or connectors, cleaning soot buildup, or addressing exhaust system issues.
Does the P118F code require professional repair?
While some repairs like sensor replacement can be done by experienced DIYers, complex diagnostics or exhaust system repairs may require professional assistance.
How much does it cost to fix the P118F code on a 2016 GMC Sierra?
Repair costs vary, but replacing an exhaust gas temperature sensor typically ranges from $100 to $300, including parts and labor.
Can a dirty exhaust system cause the P118F code on a 2016 GMC Sierra?
Yes, excessive soot buildup or blockages in the exhaust system can affect the performance of the exhaust gas temperature sensor and trigger the code.
What happens if the P118F code is left unresolved on a 2016 GMC Sierra?
Ignoring the code can lead to decreased fuel efficiency, higher emissions, and potential damage to the exhaust system or other engine components.
Discuss the causes and fixes for P118F 2016 GMC Sierra OBDII Code
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