P118F 2017 Chevrolet Silverado 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 2017 Chevrolet Silverado 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 2017 Chevrolet Silverado Description
What are the Possible Causes of the DTC P118F 2017 Chevrolet Silverado?
- 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 2017 Chevrolet Silverado?
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 2017 Chevrolet Silverado 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 2017 Chevrolet Silverado code?
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Frequently Asked Questions about P118F 2017 Chevrolet Silverado Code
What does the OBDII code P118F mean on a 2017 Chevrolet Silverado?
P118F indicates a performance issue with Exhaust Gas Temperature Sensor 2, which monitors the temperature of exhaust gases while the engine is running.
What are the symptoms of code P118F on a 2017 Chevrolet Silverado?
Common symptoms include a check engine light, reduced fuel efficiency, possible power loss, and issues with the emissions system.
What causes the P118F code on a 2017 Chevrolet Silverado?
Causes may include a faulty exhaust gas temperature sensor, wiring or connection problems, exhaust leaks, or soot buildup on the sensor.
Can I continue driving with the P118F code on my Silverado?
While the truck may still be drivable, it's best to address the issue promptly to avoid potential damage to the emissions system or reduced engine performance.
How do I diagnose the P118F code on my 2017 Chevrolet Silverado?
Use an OBDII scanner to confirm the fault, inspect the wiring and connections for damage, and check the sensor for soot buildup or malfunction.
How do I fix the P118F code on a 2017 Chevrolet Silverado?
Repairs may involve cleaning or replacing the exhaust gas temperature sensor, repairing damaged wiring, or addressing exhaust leaks.
How much does it cost to repair the P118F code on a Silverado?
The cost varies depending on the repair, but replacing an exhaust temperature sensor typically costs $100–$300, including parts and labor.
Can the P118F code cause long-term damage to my Silverado?
If left unresolved, the issue could lead to damage to the catalytic converter or other emissions components.
Will clearing the P118F code solve the problem?
Clearing the code may temporarily turn off the check engine light, but the issue will return unless the underlying cause is fixed.
How often should I replace the exhaust gas temperature sensor on my Silverado?
There is no set replacement interval; replace it only when it fails or shows signs of malfunction. Regular maintenance can help extend its life.
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