Hello, I have repaired higher than 30000 vehicles in my career and I habit to question you questions in the past I am not there in person to assemble facts, data, or to test your vehicle. I may question you to deed psychotherapy in my stead. If study is needed and you would rather not acquit yourself testing, I can give my best advice, Fuel pressure?
Might afterward be worth checking the wiring and connector to the airflow meter for any signs of corrosion or damage. you can attain a quick aberration find if you unplug the meter and manage the engine without it. if the engine condition is the same subsequently chances are the meter or the attachment to it is faulty. Its as well as worth cleaning the MAF sensor wires, as they can get coated taking into account dirt more than get older which later offsets the reading. Use some right to use cleaner or brake cleaner to spray can onto the wires to remove the dirt upon no account touch the wires afterward all as they are unconditionally fragile
I don't have any check engine lights unless I unplug the MAF sensor. subsequently the MAF is plugged in after that the car will stall unless I put my foot upon the accelerator. There is along with an intermittent popping sound coming at idle.
Photo Schematics for mercedes s500 wiring diagram
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