P118F 2015 Chevrolet Silverado Code - Exhaust Gas Temperature Sensor 2 Performance Engine Running
Quick Answer
The P118F diagnostic trouble code (DTC) for a 2015 Chevrolet Silverado specifically relates to the Exhaust Gas Temperature Sensor 2 Performance Engine Running. Common causes include Faulty Sensor: The most common cause of the P118F code is a malfunctioning exhaust gas temperature sensor 2, Wiring Issues: Corrosion, damage, or loose connections in the wiring harness connected to the sensor can trigger this code, Exhaust System Leaks: Any leaks in the exhaust system can affect the sensor's readings and lead to performance issues. 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 2015 Chevrolet Silverado indicates Exhaust Gas Temperature Sensor 2 Performance Engine Running.
- Common causes
- Common causes include Faulty Sensor: The most common cause of the P118F code is a malfunctioning exhaust gas temperature sensor 2, Wiring Issues: Corrosion, damage, or loose connections in the wiring harness connected to the sensor can trigger this code, Exhaust System Leaks: Any leaks in the exhaust system can affect the sensor's readings and lead to performance issues.
- 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 2015 Chevrolet Silverado Description
The P118F diagnostic trouble code (DTC) for a 2015 Chevrolet Silverado specifically relates to the Exhaust Gas Temperature Sensor 2 Performance Engine Running. This code indicates that there is a performance issue with the exhaust gas temperature sensor 2 while the engine is running. The exhaust gas temperature sensor is a crucial component of the vehicle's emissions system, responsible for monitoring the temperature of the exhaust gases leaving the engine. This information is used by the engine control module (ECM) to adjust fuel delivery and optimize engine performance.
Common Causes of P118F 2015 Chevrolet Silverado
- Faulty Sensor: The most common cause of the P118F code is a malfunctioning exhaust gas temperature sensor 2.
- Wiring Issues: Corrosion, damage, or loose connections in the wiring harness connected to the sensor can trigger this code.
- Exhaust System Leaks: Any leaks in the exhaust system can affect the sensor's readings and lead to performance issues.
- ECM Malfunction: A problem with the engine control module (ECM) can also cause the sensor to not function correctly.
- Exhaust Gas Recirculation (EGR) System Problems: Issues with the EGR system can impact the exhaust gas temperature sensor's performance.
Symptoms of P118F 2015 Chevrolet Silverado
- Check Engine Light: The most common symptom associated with the P118F code is the illumination of the check engine light on the vehicle's dashboard.
- Reduced Fuel Efficiency: A malfunctioning exhaust gas temperature sensor can lead to decreased fuel efficiency, causing the vehicle to consume more fuel than usual.
- Engine Performance Issues: The vehicle may experience rough idling, hesitation, or a lack of power due to incorrect temperature readings from the sensor.
- Increased Emissions: A faulty exhaust gas temperature sensor can result in higher emissions output from the vehicle, potentially causing it to fail emissions tests.
How to Fix P118F 2015 Chevrolet Silverado
- Diagnose the Issue: Use a diagnostic scanner to retrieve the specific trouble code and pinpoint the exact cause of the problem.
- Inspect Sensor and Wiring: Check the exhaust gas temperature sensor 2 and its wiring for any visible damage or corrosion. Replace the sensor if necessary and repair any wiring issues.
- Clear Codes: After repairing the sensor or wiring, clear the DTCs from the ECM using the diagnostic scanner.
- Test Drive: Take the vehicle for a test drive to ensure that the check engine light does not reappear and that the vehicle's performance has improved.
- Emissions Test: If necessary, perform an emissions test to verify that the vehicle is within acceptable limits.
Cost to Fix P118F 2015 Chevrolet Silverado
The typical repair costs for addressing the P118F code on a 2015 Chevrolet Silverado can vary depending on the specific cause of the issue. In general, replacing the exhaust gas temperature sensor 2 and addressing any wiring problems can range from $150 to $300 for parts and labor. Additional costs may apply if other components need to be replaced or if further diagnostics are required.
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Frequently Asked Questions about P118F 2015 Chevrolet Silverado Code
What does the OBDII code P118F mean on a 2015 Chevrolet Silverado?
The P118F code indicates a performance issue with Exhaust Gas Temperature Sensor 2 while the engine is running, which monitors exhaust gas temperatures for proper operation.
What are the common symptoms of a P118F code in a 2015 Chevrolet Silverado?
Symptoms may include a check engine light, reduced fuel efficiency, poor engine performance, or the vehicle entering limp mode.
What causes the P118F code to appear on a 2015 Chevrolet Silverado?
Common causes include a faulty exhaust gas temperature sensor, damaged wiring or connectors, soot buildup on the sensor, or issues with the exhaust system.
Can I drive my 2015 Chevrolet Silverado with a P118F code?
Driving with a P118F code is not recommended, as it can lead to further engine or exhaust system damage and reduced vehicle performance.
How do I diagnose a P118F code on a 2015 Chevrolet Silverado?
Diagnose the issue by using an OBDII scanner to confirm the code, inspecting the exhaust gas temperature sensor and its wiring, and checking for excessive soot or damage in the exhaust system.
How can I fix the P118F code on my 2015 Chevrolet Silverado?
Repairs may involve replacing the faulty exhaust gas temperature sensor, cleaning soot buildup, repairing damaged wiring or connectors, or addressing other exhaust system issues.
How much does it cost to fix a P118F code on a 2015 Chevrolet Silverado?
The repair cost can range from $100 to $300, depending on whether the sensor needs replacement or if additional repairs are required for wiring or exhaust components.
What is the function of Exhaust Gas Temperature Sensor 2 in a 2015 Chevrolet Silverado?
The sensor measures the temperature of exhaust gases to help manage emissions, protect exhaust components, and optimize engine performance.
What tools are needed to fix a P118F code on a 2015 Chevrolet Silverado?
You may need an OBDII scanner, a multimeter for testing wiring, basic hand tools, and possibly a replacement exhaust gas temperature sensor.
Can a dirty or clogged exhaust system cause the P118F code?
Yes, soot buildup or a clogged exhaust system can affect the performance of the exhaust gas temperature sensor and trigger the P118F code.
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