Stop the engine and reconnect the connector for the mass airflow sensor harness. Check to see that DTC P0102 is shown. Delete the DTC memory from your computer. However, this sequence of actions may not work for every car model, so if you try it and it does not work, we recommend you ask your mechanic for advice.2001 e46 323i. I'll give you my MAF'S reading at idle (740rpm/2.8l), which is said to be nominal: between 3.6g/s and 3.8g/s. FYI, at max load (WOT) the voltage should be 5.0v. So if you got 4.9 @ 2200 while you were just say at mid throttle, it's a hint at an off scale MAF.
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.
It’s quite possible that the mass air flow sensor is either contaminated or faulty. However, it’s not the only potential problem you are facing. Here are some of the most common P0102 causes. Dirty or faulty mass air flow sensor. Intake air leaks. MAF sensor wiring problem. Dirty air filter. Faulty PCM (unusual)
3, 4, & 5 wire mass air flow sensor wiring diagramSensor wiring maf bosch wiringall f250 chevy Mass air flow sensor wiring diagramMaf iat airflow imageservice. Mass Air Flow Sensor Wiring Diagram - exatin.info. Check Details.
Follow These Tricks! 3. Engine idles roughly or halts. These are the bad MAF sensor symptoms that indicate that the sensor is completely out of order. In that case, the car’s computer cannot control the fuel-to-air ratio because the sensor does not send any information to it. As a result, the engine either halts or idles roughly.fnTPRI.
bmw e46 mass air flow sensor problems
