Now you might think that spraying lighter gas on the subject of a hot engine isnt wise, however the flash /ignition lessening of gas is very nearly 400C therefore you dependence a naked blaze or spark to set it off and Ive used this method for many years without incident. do its stuff your quirk through each feasible joint one at a time and you should locate it. I use a slightly flattened piece of brake pipe and some rubber hose from the can of lighter gas to pay for a spraying wand and allow a tackle blast of gas into each area, especially those hard to achieve subsequent to large implements.
I started the car in the works this morning, it starts taking place and runs at 1750 and within a minute or for that reason climbs exceeding 2500.. It is giving out mild though, just exaggeration future than it should be. I in addition to checked the throttle screw plate/return screw, deliberately turned it out and nothing changed. put it assist to exactly where it was. No vacuum leak sounds and every connections verified. I tone fine just about them as I've been in there a bunch of times..
with I start the car, the engine surges happening surrounded by 1200 and 2000 rpm back up and forth. I distorted the IAC and the TPS subsequently no bend in symptoms. I have noticed that several Lexus SC's have this thesame issue. Prior to this I would have to adjust the idle speed screw to demean the rpm and it would hold for a while. Now, the engine is every time surging to the tapering off where I cannot drive it for unease of damage to the drive train. Any experienced solution?