P118F 2016 GMC Sierra Code - Exhaust Gas Temperature Sensor 2 Performance Engine Running
Quick Answer
The exhaust gas temperature sensors are variable resistors that measure the temperature of the exhaust gas. 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
- P118F 2016 GMC Sierra indicates Exhaust Gas Temperature Sensor 2 Performance Engine Running.
- 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.
Code P118F 2016 GMC Sierra Description
What are the Possible Causes of the DTC P118F 2016 GMC Sierra?
- 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 P118F 2016 GMC Sierra?
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 P118F 2016 GMC Sierra 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 P118F 2016 GMC Sierra code?
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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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