Now you might think that spraying lighter gas all but a hot engine isnt wise, however the flash /ignition narrowing of gas is practically 400C appropriately you obsession a naked fire or spark to set it off and Ive used this method for many years without incident. doing your pretension through each reachable joint one at a become old and you should find it. I use a slightly flattened fragment of brake pipe and some rubber hose from the can of lighter gas to come up with the money for a spraying wand and permit a take up blast of gas into each area, especially those hard to reach when large implements.
Might afterward be worth checking the wiring and connector to the airflow meter for any signs of corrosion or damage. you can complete a quick deviation find if you unplug the meter and control the engine without it. if the engine condition is the same after that chances are the meter or the relationship to it is faulty. Its moreover worth cleaning the MAF sensor wires, as they can get coated later than dirt more than time which after that offsets the reading. Use some contact cleaner or brake cleaner to spray can onto the wires to sever the dirt on no account be adjacent to the wires as soon as whatever as they are very fragile
Hello the TPS does have an effect on switching the car into idle mode so I'd recommend to create sure the throttle plate is 100% closed and not slightly ashore once carbon. and then accustom yourself the TPS therefore that the IDL fasten is continuous to the E2 fasten taking into consideration the throttle is closed, and edit circuit later the throttle is just cracked. Don't distress not quite any voltages, the IDL read is the really important one.