P118E Chevrolet Code - Exhaust Gas Temperature Sensor 1 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
- P118E Chevrolet indicates Exhaust Gas Temperature Sensor 1 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 P118E Chevrolet Description
What are the Possible Causes of the DTC P118E Chevrolet?
- 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 P118E Chevrolet?
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 P118E Chevrolet 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.
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Information for Specific Chevrolet Models
- P118E 2014 Chevrolet Silverado — Exhaust Gas Temperature Sensor 1 Performance Engine Running
- P118E 2015 Chevrolet Silverado — Exhaust Gas Temperature Sensor 1 Performance Engine Running
- P118E 2016 Chevrolet Silverado — Exhaust Gas Temperature Sensor 1 Performance Engine Running
- P118E 2017 Chevrolet Silverado — Exhaust Gas Temperature Sensor 1 Performance Engine Running
- P118E 2018 Chevrolet Silverado — Exhaust Gas Temperature Sensor 1 Performance Engine Running
Frequently Asked Questions about P118E Chevrolet Code
What does the OBDII code P118E mean on a Chevrolet?
P118E indicates a performance issue with Exhaust Gas Temperature Sensor 1 while the engine is running. This sensor monitors exhaust temperatures to ensure optimal engine and emissions performance.
What are the common symptoms of code P118E in a Chevrolet?
Symptoms may include an illuminated check engine light, reduced fuel efficiency, poor engine performance, or the engine entering a limp mode.
What causes the P118E code to trigger in a Chevrolet?
Common causes include a faulty exhaust gas temperature sensor, damaged wiring or connectors, excessive exhaust soot buildup, or issues with the engine control module (ECM).
Can I drive my Chevrolet with a P118E code?
While it may be possible to drive with this code, it is not recommended, as it could lead to reduced engine performance, higher emissions, or potential damage to the catalytic converter.
How do I fix the P118E code on my Chevrolet?
Repairs may involve replacing the faulty exhaust gas temperature sensor, cleaning soot buildup, inspecting and repairing damaged wiring, or updating/reprogramming the ECM if needed.
How much does it cost to repair a P118E code on a Chevrolet?
Repair costs can vary widely but typically range from $100 to $300 for parts and labor, depending on whether the sensor, wiring, or other components need replacement.
Can a dirty exhaust system cause the P118E code?
Yes, excessive soot or carbon buildup in the exhaust system can interfere with the sensor’s performance and trigger the P118E code.
How can I prevent the P118E code from occurring in my Chevrolet?
Regular vehicle maintenance, including cleaning the exhaust system, inspecting sensor wiring, and using high-quality fuel, can help prevent issues with the exhaust gas temperature sensor.
Is replacing the exhaust gas temperature sensor difficult?
Replacing the sensor can be straightforward for experienced DIYers, but accessing it may require specific tools or knowledge of the exhaust system layout.
Will clearing the P118E code solve the problem?
Clearing the code may temporarily turn off the check engine light, but the underlying issue must be resolved to prevent the code from returning.
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