A bad mass airflow sensor can leave your Ford Focus's engine running rough, or even inoperable. A MAF sensor measures the density of the air entering the intake manifold. It passes this information onto your Focus's ECU. The ECU uses this information along with other sensor data to control the amount of fuel that enters the combustion chamber. Maintenance Shop - 2014 V-6 EcoBoost 3.5L - MAF sensor location ? - Thursday 17 January 2018 Hi fellow F-150 owners, this is Lou, brand-new forum member, and first-time poster ! Thanks to all who contribute to this great resource, greatly appreciate your efforts :) SHORT VERSION: Where is the MAF sensor on our 2014 General Car Related Discussion. - Focus coolant temp sensor--Where is it????? - On a W reg 2000 1.6 Zetec black top Where is the coolant temp sensor guys? Its the same thermostat housing as the silvertop but without the top tapped for the coolant temp sensor, so where is it? Is it inside the housing? If you want to Here are some of the most common P0172 causes. Dirty/broken mass air flow (MAF) sensor. Vacuum leak. Fuel delivery or pressure malfunction (High fuel pressure, bad fuel injector) Contaminated/ defective oxygen sensor. Bad coolant temperature sensor. During the time we were updating our design, we discovered small differences between the stock 2013"2015 and the 2016+ Focus ST intakes. The 2013"2015 Focus ST's have a screw type mass airflow (MAF) sensor that goes into the stock pipe. In the 2016+ model, however, the MAF sensor is replaced with an IAT sensor in the same location and it fits FORD FIESTA MAP SENSOR Replacement Removal Location MK7 ST Check out our Amazon store for the tools that we use in our videos: w .

focus st maf sensor location