Now you might think that spraying lighter gas in the region of a hot engine isnt wise, however the flash /ignition tapering off of gas is practically 400C therefore you need a naked flare or spark to set it off and Ive used this method for many years without incident. play a part your artifice through each feasible 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 give a spraying wand and permit a take up blast of gas into each area, especially those hard to achieve when large implements.
I started the car stirring this morning, it starts happening and runs at 1750 and within a minute or fittingly climbs beyond 2500.. It is processing smooth though, just habit complex than it should be. I as a consequence checked the throttle screw plate/return screw, purposefully turned it out and nothing changed. put it back to exactly where it was. No vacuum leak sounds and all friends verified. I tone good about them as I've been in there a bunch of times..
behind I begin the car, the engine surges going on amongst 1200 and 2000 rpm back and forth. I untouched the IAC and the TPS like no amend in symptoms. I have noticed that several Lexus SC's have this similar issue. Prior to this I would have to become accustomed the idle swiftness screw to belittle the rpm and it would hold for a while. Now, the engine is forever surging to the narrowing where I cannot steer it for terrify of broken to the steer train. Any experienced solution?