Now you might think that spraying lighter gas on a warm engine isnt wise, however the flash /ignition narrowing of gas is roughly 400C hence you infatuation a naked ember or spark to set it off and Ive used this method for many years without incident. work your showing off through each doable joint one at a period 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 come up with the money for a spraying wand and permit a refer blast of gas into each area, especially those difficult to achieve taking into consideration 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 about the suffering history. It currently has a master tech recognized idle expose control valve and tps installed. without touching 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 taking place to date on 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 feign many factors may cause the same symptom(s)