P0116 Code - Engine Coolant Temperature Circuit Range / Performance Problem
Quick Answer
The engine coolant temperature sensor is used to monitor the engine coolant temperature. Common causes include Low engine coolant level, Faulty Engine Coolant Thermostat, Faulty Engine Coolant Temperature (ECT) sensor. 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
- P0116 indicates Engine Coolant Temperature Circuit Range / Performance Problem.
- Common causes
- Common causes include Low engine coolant level, Faulty Engine Coolant Thermostat, Faulty Engine Coolant Temperature (ECT) sensor.
- 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 P0116 Description
What are the Possible Causes of the DTC P0116?
- Low engine coolant level
- Faulty Engine Coolant Thermostat
- Faulty Engine Coolant Temperature (ECT) sensor
- Engine Coolant Temperature sensor harness is open or shorted
- Engine Coolant Temperature sensor circuit poor electrical connection
- Faulty Engine Control Module (ECM)
How to Fix the DTC P0116?
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.
Code Tech Notes
User Submitted Video
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P0116 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 Makes
- P0116 Acura — Engine Coolant Temperature Sensor 1 Circuit Range/Performance Problem
- P0116 Audi — Engine Coolant Temperature Circuit Range/Performance
- P0116 Buick — Engine Coolant Temperature Sensor Performance
- P0116 Cadillac — Engine Coolant Temperature Sensor Performance
- P0116 Chevrolet — Engine Coolant Temperature Sensor Performance
- P0116 Chrysler — Engine Coolant Temperature Sensor Performance
- P0116 Dodge — Engine Coolant Temperature Sensor Performance
- P0116 Ford — Engine Coolant Temperature Sensor 1 Circuit Range/Performance
- P0116 GMC — Engine Coolant Temperature Sensor Performance
- P0116 Honda — Engine Coolant Temperature Sensor 1 Circuit Range/Performance Problem
- P0116 Hyundai — Engine Coolant Temperature Circuit Range/Performance
- P0116 Infiniti — Engine Coolant Temperature Sensor Circuit Range/Performance
- P0116 Isuzu — Engine Coolant Temperature Sensor Performance
- P0116 Jaguar — Engine Coolant Temperature Circuit Range/Performance Problem
- P0116 Jeep — Engine Coolant Temperature Sensor Performance
- P0116 KIA — Engine Coolant Temperature Sensor 1 Circuit Range/Performance
- P0116 Lexus — Engine Coolant Temperature Circuit Range / Performance Problem
- P0116 Lincoln — Engine Coolant Temperature Sensor 1 Circuit Range/Performance
- P0116 Mazda — Engine Coolant Temperature Circuit Range/Performance Problem
- P0116 Mercedes-Benz — Engine Coolant Temperature Circuit Range/Performance Problem
- P0116 Mitsubishi — Engine Coolant Temperature Circuit Range/Performance Problem
- P0116 Nissan — Engine Coolant Temperature Sensor Circuit Range/Performance
- P0116 Saturn — Engine Coolant Temperature Sensor Performance
- P0116 Scion — Engine Coolant Temperature Circuit Range / Performance Problem
- P0116 Toyota — Engine Coolant Temperature Circuit Range / Performance Problem
- P0116 Volkswagen — Engine Coolant Temperature Circuit Range/Performance
Frequently Asked Questions about P0116 Code
1. What are the common symptoms of OBDII code P0116?
The common symptoms of code P0116 include engine overheating, rough idling, poor fuel efficiency, and a temperature gauge reading that is inaccurate or fluctuating.
2. What can cause the OBDII code P0116 to trigger?
The code P0116 is typically triggered by a faulty engine coolant temperature (ECT) sensor, a malfunctioning thermostat, a wiring issue in the ECT circuit, or low coolant levels.
3. How can I diagnose the cause of OBDII code P0116?
To diagnose the cause of code P0116, you can start by checking the ECT sensor for proper operation, inspecting the thermostat for any faults, testing the wiring for continuity, and ensuring the coolant level is adequate.
4. Can a faulty ECT sensor be repaired, or does it need to be replaced?
In most cases, a faulty ECT sensor will need to be replaced rather than repaired. Replacing the sensor with a new one is the recommended course of action to resolve code P0116.
5. Are there any DIY repair tips for OBDII code P0116?
DIY repair tips for code P0116 include checking the ECT sensor connector for corrosion or damage, inspecting the thermostat for proper opening and closing, and ensuring the coolant system is properly bled after any repairs are made.
6. Can code P0116 cause any long-term damage to the engine?
If left unresolved, code P0116 can potentially cause long-term damage to the engine due to overheating issues and incorrect fuel delivery. It is important to address this code promptly to prevent any serious damage.
7. Will resetting the OBDII code P0116 turn off the Check Engine Light?
Resetting the code may temporarily turn off the Check Engine Light, but if the underlying issue triggering P0116 is not addressed, the code is likely to reappear, and the light will come back on.
8. How much does it typically cost to repair OBDII code P0116 at a professional auto repair shop?
The cost of repairing code P0116 at a professional auto repair shop can vary depending on the exact cause of the issue and labor rates in your area. It's recommended to get a few quotes from different shops to compare prices.
9. Can a malfunctioning coolant temperature gauge cause OBDII code P0116?
Yes, a malfunctioning coolant temperature gauge can potentially cause or contribute to triggering code P0116. It's essential to ensure the gauge is functioning correctly to accurately monitor the engine temperature.
10. Is it safe to continue driving with OBDII code P0116 present?
Continuing to drive with code P0116 present is not recommended, as it can lead to engine overheating and other potential issues. It's best to address the problem promptly to prevent any further damage.
Discuss the causes and fixes for P0116 OBDII Code
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my Audi is raising temperature above 90"c and i fitted a new water pump and this did not correct the anomaly can you help
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