P0117High Priority
Engine Coolant Temperature Circuit Low Input
Category: Powertrain• Fuel and Air Metering
1 articles · 1 makes affected
What is P0117?
Engine Coolant Temperature (ECT) Sensor Circuit Low Input. The ECT sensor is reporting abnormally low temperature, indicating a short circuit or sensor failure.
Symptoms You May Notice
- ●Check engine light
- ●Poor fuel economy
- ●Cooling fan constantly running
- ●Rich fuel mixture
- ●Black smoke
How to Fix It
- ●Replace ECT sensor ($50-$150, beginner)
- ●Repair short in wiring ($100-$300, intermediate)
Root Causesfor P0117
Based on 6 owner reports
Confirmed Causes
- 1with the leaking of injectors(17% of cases)
What Didn't Help
Repairs that owners tried but didn't fix the issue
sure if the water temp sensor has anything to do withsure what it could be yet
Things to Check
Suggested areas to investigate based on similar cases
culprhave ever happen to you guysyet. need to get it towed tomorrow and take a look at the damage this weekend
Owner Statistics
Based on 17,233 real owner discussions • 473 confirmed solutions
$1,898
Average Repair Cost
3%
Success Rate
13%
DIY Repairs
17,233
Data Sources
About This Data
Statistics are aggregated from real owner discussions on Reddit, automotive forums, and YouTube comments. All data is anonymized and represents actual repair experiences reported by vehicle owners.
Frequently Appears With
These codes often appear together in owner reports. Check these if you see P0117.
Based on analysis of 6 owner reports where multiple codes appeared together.