Feb 2, 2016 · One of the more common Ford Focus problems centers around your mass air flow sensor. The Focus MAF Sensor is a part of your intake system, and is utilized to read the incoming air charge. By analyzing the volume of air as well as reading the air temperature, your Focus Powertrain Control Module (PCM) can manage the fuel delivery properly. Jan 8, 2019 · All went as normal but on starting the car the outside temperature sensor has constantly read -40. Ran it for around 6-10 mins to see if it adjusted. I've tried removing a number of fuses, the block connector to the passenger mirror and lastly the positive battery connection in an effort to reset it. Jun 19, 2001 · JuanPolk. 40 posts · Joined 2001. #3 · Jun 27, 2001. Temp Gauge. The temp gauge sensor for your engine is located down front on the engine block near the thermostat housing & hose. I would first check visually to see if the wires to this sensor are in good shape, and connected. If they look good I would as standard practice replace this sensor. Feb 12, 2023 · The average intake temperature sensor replacement cost is between $40 and $250, depending on the car model and labor costs. An intake temperature sensor costs $20 to $150, and the labor costs $20 to $100. If your intake temperature sensor is integrated into the MAF sensor, the part cost can increase rapidly. Some MAF sensors cost up to $400. This can cause problems with fuel economy and controlling emissions. Causes of a P0128 code include: A bad coolant temperature sensor; To check the coolant temperature sensor, a mechanic will Jan 15, 2022 · Engine coolant temp sensor measures the actual temperature of the engine. This data is required by the ECM to adjust the fuel injection parameters and timing 1HW0B.

ford focus temperature sensor problems