Now you might think that spraying lighter gas in this area a hot engine isnt wise, however the flash /ignition dwindling of gas is not quite 400C hence you need a naked fire or spark to set it off and Ive used this method for many years without incident. statute your pretension through each realizable joint one at a grow old and you should find it. I use a slightly flattened piece of brake pipe and some rubber hose from the can of lighter gas to offer a spraying wand and permit a tackle blast of gas into each area, especially those difficult to attain past large implements.
Might furthermore be worth checking the wiring and connector to the airflow meter for any signs of corrosion or damage. you can pull off a fast fault find if you unplug the meter and manage the engine without it. if the engine condition is the same later chances are the meter or the link to it is faulty. Its then worth cleaning the MAF sensor wires, as they can get coated later dirt over times which after that offsets the reading. Use some edit cleaner or brake cleaner to spray onto the wires to sever the dirt upon no account be next to the wires once whatever as they are extremely fragile
I don't have any check engine lights unless I unplug the MAF sensor. next the MAF is plugged in after that the car will stall unless I put my foot upon the accelerator. There is in addition to an intermittent popping sound coming at idle.