🐽 Bmw E46 Mass Air Flow Sensor Problems

Alternative Products. OEM VDO HFM/Mass Air Sensor -- M52TU, M54 Engine (E46, E39, Z3) In Stock at Vendor. $ 202.27. Free Shipping. Add to Cart. Genuine BMW Mass Air Flow Sensor (MAF) Ships in 5 Business Days. $ 451.99. 1. But if the motor continues to have problems, run the engine idle for 20-30 minutes. 2. You can reset the ECU by disconnecting the battery for 10 min. 3. Please take into consideration that other parts can cause similar symptoms and it might not have been (only) the air flow sensor that was broken. OBD Code P0103 refers to. Basically this means that there is a problem with the Mass Air Flow High (MAF) sensor or circuit. A more technical description would be that the MAF circuit had higher than expected voltage (air flow). SymptomsPossible sumptoms of OBD code P0103. A buddy of mind has the same problem with his Volvo and after replacing the MAF sensor he also unplugged the battery so It reset the computer and it ran fine after that. If your car runs good with the newer MAF unplugged that MAF sensor is still sending the wrong Air/Fuel reading to the engine causing it to idle like poop. The mass air flow sensor measures the amount of air entering the engine. Mass Air Flow Sensor Symptoms . Because the MAF is a primary input to your car’s computer for fuel control (more on that later), the sensor can cause several noticeable symptoms when it fails. Some of the most common air flow sensor problems include: On top of that, there are different types of spark plugs available for most engines. In case of the BMW N54/N55 engines, you can get BMW spark plugs with different heat ranges. All of that can affect the combustion process. Dirty Mass Air Flow Sensor. Only a clean sensor will work properly and send the right information to the ECU. Atyn. 196 posts · Joined 2022. #7 · Apr 9, 2022. If the sensor is okay, then there is too much or not enough air flowing through it so you need to think of what can cause this: You have eliminated leaks. There is no turbo so can't be a stuck wastegate causing low boost. 5,660. My Cars. 2005 M3 & 2004 330i. Since you have a 323, I believe there is a Hyundai MAF you can use that's pretty cheap. It has the exact same Siemens part number. At least here in the states, it tends to be around $120-150 IIRC. 03-25-2014, 09:36 AM #6. MarcoZandrini. Member. Problem: Bad Mass Air Flow Sensor (MAF) A forum community dedicated to BMW E46, E90, and F30 owners and enthusiasts. Come join the discussion about M performance .

bmw e46 mass air flow sensor problems