The SAP makes a click click sound at cold startup and runs from round about 30-40 sec. today i took out the hose from the sap and could not feel any air coming out of the sap but there was little air coming out from the check valve.Lastly i monitored the pre cat 02 sensor and they are jumping between 0.8 and 0.1 and not constant like the post
6. Sluggish Acceleration. Slow acceleration and poor fuel economy could be signs that your Mass Airflow (MAF) sensor needs replacing. The MAF sensor is responsible for informing the engine’s computer how much air is entering the engine, so if it’s faulty, the car won’t be able to adjust itself and will run inefficiently.
STEP 3: INSPECT MAF SENSOR. Remove the mass airflow sensor and clean the sensor using mass air flow cleaner or contact cleaner. STEP 4: CHECK FUEL PRESSURE. If check engine light code P0174 persists after you have reconnected and replaced all damaged vacuum lines and cleaned the mass airflow sensor, perform a fuel pressure test.
The most common signs of bad mass air flow sensor (MAF) in Hyundai Sonata are loss of power or slow acceleration, engine hesitation or jerking during acceleration, erratic idling, misfires, poor exhaust emission values and sometimes black smoke comes out of the tailpipe. The mass air flow sensor is part of the engine’s intake system and is
Mass air flow sensors don’t have any moving parts, but will use the amount of current required to maintain the temperature of a grid or a wire to determine airflow. MAF Sensor Configurations One common kind of MAF sensor has a cold wire and a hot wire, and the hot wire’s temperature will be maintained at 300 degrees Celsius higher than
Here are the most common symptoms of a bad or failing MAF sensor: Idle Issues – Your A4 may run rich or lean when idling, or it may also idle erratically. A rich condition is when there is not enough air relative to the fuel in the air/fuel mixture. The exhaust color is usually darker when running rich. A lean condition is when there is too
. 770 870 53 103 167 209 378 712
e46 mass air flow sensor symptoms