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Now you might think that spraying lighter gas going on for a warm engine isnt wise, however the flash /ignition tapering off of gas is nearly 400C so you infatuation a naked flame or spark to set it off and Ive used this method for many years without incident. do its stuff your artifice through each realizable joint one at a era 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 have the funds for a spraying wand and permit a deliver blast of gas into each area, especially those difficult to reach gone large implements.
Thanks for your response. I just checked what you mentioned, that I hadn't already checked, except fuel pressure.Let me say you a little more more or less the misfortune history. It currently has a master tech approved idle let breathe rule valve and tps installed. without heartwarming anything, the last (used) ecu and my original, would rule in the car without this symptom.
This could be a large vacuum leak ,with the MAF combined it is and no-one else measuring the let breathe that is getting following the MAF, appropriately if the intake manifold is sucking in expose the ventilate to fuel ratio will be definitely out and cause the engine to stall. If MAF is disconnected the engine goes into a limp measurement and lets the engine run. once carb cleaner spray can vaporizer in the place of the hissing taking into consideration the engine management and when you listen the engine stall or rev far ahead there is the leak ,could be a bad vacuum hose bad gasket upon the manifold.