Review on 🚀 High-Performance Hitachi MAF0031 Mass Air Flow Sensor in Sleek Black Design by Evan Larson

2011 Nissan Altima 2.5 SL 132,000 miles As a retired mechanic, this P0101 code is very difficult to erase. Always check the air intake for leaks or cracks. Just replace the PCV valve, it's a $5 part. Clean throttle body, check for vacuum leaks. Replace the air filter, make sure it is installed correctly. If you lose even one metal latch on the air cleaner, you will never solve the problem. Check the MAF for debris that may be blocking airflow. I ran every check and, contrary to common sense when I suspected this detail, installed it anyway. I also took my car to Nissan to have the PCM flashed as there is a known TSB (Technical Service Bulletin) for this issue. NO HELP. 3 miles later the check engine light came on again. At least my original light came on maybe every 4-6 months, I cleared the code and kept turning the light out. I had no handling issues with my original or this one I bought, just annoying light. I'll open the one we all have and see if the board says Hitachi. And anyone who says you have to relearn is an idiot. This procedure is designed to learn the idle air volume by the ECM to learn the idle air volume that keeps the idle speed of each engine within a certain range. This will only happen under the following conditions: When the Electric Throttle Actuator or ECM is replaced, or the idle speed or ignition timing is not within specification. NOTHING has to do with MAF. Good luck to you all. I'm glad some got a good result, but my part failed.