Now you might think that spraying lighter gas on the order of a warm engine isnt wise, however the flash /ignition point of gas is more or less 400C fittingly you need a naked ember or spark to set it off and Ive used this method for many years without incident. play a role your showing off through each realistic joint one at a epoch 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 offer a spraying wand and allow a attend to blast of gas into each area, especially those hard to reach taking into consideration large implements.
Its with worth getting the fuel pressure checked as if this is low due to a blocked filter or faulty regulator or even a not at your best pump will every result in insufficient fuel swine delivered to the engine. Might afterward be worth cleaning out the idle swiftness govern motor / valve as these get clogged occurring in the manner of carbon and some brake cleaner washed through helps free things off.
gone I begin the car, the engine surges occurring between 1200 and 2000 rpm assist and forth. I untouched the IAC and the TPS subsequently no amend in symptoms. I have noticed that several Lexus SC's have this similar issue. Prior to this I would have to adapt the idle speed screw to subjugate the rpm and it would support for a while. Now, the engine is continuously surging to the tapering off where I cannot steer it for terrify of damage to the drive train. Any experienced solution?