Sep 22, 2016 · Replacement mass airflow sensor. Screwdriver. Wrench. Step 1: Disconnect the electrical connector from the mass air flow sensor. Squeeze the tab on the harness side of the electrical connector while firmly pulling on the connector. Keep in mind, the older the vehicle, the more stubborn these connectors can be. Feb 24, 2012 · After cleaning your mass airflow sensor with either the cleaner, or rubbing alcohol, let it sit, generally for 20 minutes or more. The sensor has to be completely dry before it can be reinstalled in your car, otherwise you may damage it. Replace it and that's all. A check engine light often comes on due to a dirty airflow sensor (MAS). Jan 7, 2023 · P0113 is a generic diagnostic trouble code that applies to all OBD-II-equipped vehicles. It indicates a signal coming from the Intake Air Temperature (IAT) sensor that is higher than the manufacturer’s specifications. The IAT sensor is a thermistor with various readings based on air temperature. The powertrain control module (PCM) is Of course, this signal could also indicate a faulty O2 sensor in bank 1. What causes P0171 in a Ford? A dirty mass airflow (MAF) sensor is one of the most common causes of Ford P0171 and P0174 lean codes. Dirt can adhere to the MAF sensor wire and develop a coating, slowing the sensor’s reaction to variations in airflow. The MAF sensor is a component of the engine's intake system and you will find it between the air filter box and the throttle valve on both petrol and diesel engines. It is mounted on an arm about 50 millimetres long so that it can be positioned centrally in the intake pipe. The flow sensor is connected to the car ECU module via a connector. Oct 23, 2019 · M. MAGNEX1234 Discussion starter. 758 posts · Joined 2011. #8 · Oct 23, 2019 (Edited by Moderator) having looked at my old MAF sensor where it says bosch, with a V type cutt out on the right, holding the plug in bit in left hand & if i turned it over it reads >PBT-GF30<. where as if i did the same with the other two bosch maf sensors, not DWd4MQ.

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