Now you might think that spraying lighter gas as regards a warm engine isnt wise, however the flash /ignition tapering off of gas is nearly 400C consequently you habit a naked fire or spark to set it off and Ive used this method for many years without incident. performance your pretension through each reachable joint one at a period and you should locate it. I use a slightly flattened fragment of brake pipe and some rubber hose from the can of lighter gas to manage to pay for a spraying wand and permit a talk to blast of gas into each area, especially those difficult to accomplish once large implements.
Might along with be worth checking the wiring and connector to the airflow meter for any signs of corrosion or damage. you can attain a fast irregularity locate if you unplug the meter and control the engine without it. if the engine condition is the same next chances are the meter or the relationship to it is faulty. Its as well as worth cleaning the MAF sensor wires, as they can acquire coated past dirt exceeding times which later offsets the reading. Use some gain access to cleaner or brake cleaner to spray can onto the wires to cut off the dirt upon no account lie alongside the wires subsequent to all as they are certainly fragile
considering I begin the car, the engine surges taking place surrounded by 1200 and 2000 rpm support and forth. I tainted the IAC and the TPS past no amend in symptoms. I have noticed that several Lexus SC's have this similar issue. Prior to this I would have to adjust the idle speed screw to degrade the rpm and it would preserve for a while. Now, the engine is until the end of time surging to the narrowing where I cannot drive it for clock radio of broken to the steer train. Any experienced solution?