P118E 2018 Chevrolet Silverado Code - Exhaust Gas Temperature Sensor 1 Performance Engine Running
Quick Answer
The P118E diagnostic trouble code for a 2018 Chevrolet Silverado refers to an issue with the Exhaust Gas Temperature (EGT) Sensor 1 Performance while the engine is running. Common causes include Faulty EGT sensor, 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
- P118E 2018 Chevrolet Silverado indicates Exhaust Gas Temperature Sensor 1 Performance Engine Running.
- Common causes
- Common causes include Faulty EGT sensor, 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 P118E 2018 Chevrolet Silverado Description
The P118E diagnostic trouble code for a 2018 Chevrolet Silverado refers to an issue with the Exhaust Gas Temperature (EGT) Sensor 1 Performance while the engine is running. The EGT sensor is responsible for monitoring the exhaust gas temperature and ensuring it falls within the optimal range for the engine's performance and emissions control. When this sensor malfunctions or fails to provide accurate readings, it can lead to various issues impacting the vehicle's performance, fuel efficiency, and emissions.
Common Causes of P118E 2018 Chevrolet Silverado
- Faulty EGT sensor
- Wiring or connector issues
- Exhaust system leaks
- Exhaust gas recirculation (EGR) system malfunctions
- Engine tune-up problems
Symptoms of P118E 2018 Chevrolet Silverado
- Decreased fuel efficiency
- Engine misfires or rough idling
- Reduced engine power
- Check engine light illuminated
- Increased emissions output
How to Fix P118E 2018 Chevrolet Silverado
- Diagnose the EGT sensor using a scan tool to verify the code and determine if the sensor is faulty.
- Inspect the wiring and connectors for any damage or corrosion, repairing or replacing as necessary.
- Check for exhaust leaks and repair them to prevent false readings from the EGT sensor.
- Test the EGR system for proper functioning and address any issues found.
- Reset the fault code and test drive the vehicle to ensure the problem has been resolved.
Cost to Fix P118E 2018 Chevrolet Silverado
The typical repair costs for resolving an exhaust gas temperature sensor issue can range from $150 to $400, depending on the extent of the problem and the specific parts needed. This estimate includes both parts and labor. However, actual costs may vary based on the location, vehicle make and model, and the labor rates charged by the auto repair shop. It's recommended to obtain quotes from different shops to get a more accurate cost estimate.
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Frequently Asked Questions about P118E 2018 Chevrolet Silverado Code
What does the OBDII code P118E mean on a 2018 Chevrolet Silverado?
The P118E code indicates an issue with the Exhaust Gas Temperature Sensor 1, specifically a performance problem when the engine is running.
What are the common symptoms of code P118E in a 2018 Chevrolet Silverado?
Symptoms may include the check engine light turning on, decreased fuel efficiency, reduced engine performance, or unusual exhaust smells.
What causes the P118E code to appear?
Common causes include a faulty exhaust gas temperature sensor, wiring issues, sensor circuit problems, or excessive soot buildup on the sensor.
Can I continue driving with the P118E code on my 2018 Chevrolet Silverado?
While the vehicle may still run, continued driving with this code can lead to reduced performance or potential damage to the exhaust system or catalytic converter.
How do I diagnose the P118E code on my Silverado?
Diagnosis involves checking the exhaust gas temperature sensor, inspecting the wiring and connectors, and using a scan tool to monitor sensor values.
How do I fix the P118E code on a 2018 Chevrolet Silverado?
Repairs may include replacing the faulty exhaust gas temperature sensor, cleaning soot buildup, or repairing damaged wiring or connectors.
What tools are needed to address the P118E code?
You’ll typically need a diagnostic scan tool, a multimeter for testing circuits, and basic hand tools to replace the sensor if necessary.
How much does it cost to repair the P118E code?
The repair cost can range from $100 to $300, depending on whether the sensor needs replacing or wiring repairs are required.
Can a faulty exhaust gas temperature sensor affect emissions?
Yes, a malfunctioning sensor can lead to improper exhaust gas regulation, potentially increasing emissions and causing the vehicle to fail an emissions test.
Is the P118E code covered under warranty for a 2018 Chevrolet Silverado?
It may be covered under the emissions warranty, but you should check with your dealership or review your warranty terms.
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