P 0119 Mpg (PLUS – 2025)

Because the ECT sensor provides critical data for the Powertrain Control Module (PCM) to adjust the air-fuel ratio and ignition timing, a failure often leads to (lower MPG). If the sensor incorrectly signals that the engine is cold, the PCM will pump in excess fuel, leading to inefficient combustion. Other common symptoms include: Check Engine Light illumination.

: The sensor itself may be defective or worn out. P 0119 mpg

: Low coolant levels, a stuck-open thermostat, or contaminated (rusty) coolant can interfere with accurate readings. Troubleshooting and Repair Because the ECT sensor provides critical data for

, as some vehicles (like Fords) may disable cylinders to prevent perceived overheating. Common Causes a stuck-open thermostat