Most VWs and Audis use pinch hose clamps, so use your pliers to squeeze the clamp open and slide off the inlet pipe. Once those screws are out, disconnect the other side of the MAF from the turbo inlet pipe. Next you will need to remove the two Phillips-head screws connecting the MAF to the air box (on the right side of the MAF). Over time, your mass air flow sensor can degrade and become prone to failure. If you still need to remove the 5-point tamperproof screws, I recommend removing the whole unit. Symptoms of Mass Air Flow Sensor Failure. Here you have a choice: you can either remove the sensor from the housing or remove the housing and sensor as a unit.
#VW MASS AIR FLOW SENSOR PROBLEMS HOW TO#
Here's how to replace a VW/Audi harness clip if you break it.)Ģ. (All of the harnesses use the same type of clip, so once you learn how to release one, you can use that technique for coils or any other harness that needs to be taken off for repair. Once you hear the clip pop, wiggle the harness off of the MAF.
If it won't pop up, try a small screwdriver. In the worst case scenario when the MAF sensor is malfunctioning, the check engine light will come up with error codes P0100, P0102, P0103, and P0104. First, we will describe how your mass airflow sensor works and its. I don’t want to downplay this problem because the Mass Air Flow (or MAF) Sensor is one of the most important engine sensors. This sensor failure is common in all engines for the MK4 Jetta. Today we are going to examine how to clean the mass air flow sensor of your Volkswagen Golf 5. Replacement Coolant Temperature Sensor: Shop Here. The clip can be removed using your thumbnail. One of the problems that disturbs more and more Volkswagen Golf 5 owners is a clogged air flow meter, which will lead to a loss of power and black exhaust fumes. Unclip the harness connected to the middle of the MAF. How to Remove the MAF Sensor and/or Housingġ.