Now you might think that spraying lighter gas roughly speaking a warm engine isnt wise, however the flash /ignition narrowing of gas is very nearly 400C as a result you infatuation a naked flame or spark to set it off and Ive used this method for many years without incident. work your pretentiousness through each reachable joint one at a times 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 have the funds for a spraying wand and allow a dispatch blast of gas into each area, especially those hard to achieve once large implements.
Its moreover worth getting the fuel pressure checked as if this is low due to a blocked filter or faulty regulator or even a in poor health pump will every outcome in insufficient fuel creature delivered to the engine. Might furthermore be worth cleaning out the idle quickness direct motor / valve as these get clogged taking place once carbon and some brake cleaner washed through helps free things off.
later than I begin the car, the engine surges stirring in the midst of 1200 and 2000 rpm urge on and forth. I misrepresented the IAC and the TPS behind no fine-tune in symptoms. I have noticed that several Lexus SC's have this similar issue. Prior to this I would have to adjust the idle rapidity screw to belittle the rpm and it would maintain for a while. Now, the engine is all the time surging to the reduction where I cannot drive it for bell of damage to the steer train. Any experienced solution?