Now you might think that spraying lighter gas nearly a warm engine isnt wise, however the flash /ignition dwindling of gas is virtually 400C suitably you need a naked flare or spark to set it off and Ive used this method for many years without incident. put it on your mannerism through each viable joint one at a grow old 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 take up blast of gas into each area, especially those hard to achieve behind large implements.
Thanks for your response. I just checked what you mentioned, that I hadn't already checked, except fuel pressure.Let me tell you a tiny more roughly the misfortune history. It currently has a master tech recognized idle freshen govern valve and tps installed. without disturbing anything, the last (used) ecu and my original, would run in the car without this symptom.
have you looked into throttle body coking and/or combustion chamber/valve carbon buildup? are you happening to date upon every maintenance; spark plugs fuel filter pcv vlave etc? have you performed a visual inspection and listened to engine as it warms in the works and is warmed up? oftentimes in engine feint many factors may cause the same symptom(s)