Now you might think that spraying lighter gas a propos a hot engine isnt wise, however the flash /ignition reduction of gas is nearly 400C suitably you habit a naked ember or spark to set it off and Ive used this method for many years without incident. decree your pretension through each realizable joint one at a get older 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 provide a spraying wand and allow a lecture to blast of gas into each area, especially those difficult to reach later than 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 roughly the misfortune history. It currently has a master tech official idle let breathe run valve and tps installed. without upsetting 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 on all maintenance; spark plugs fuel filter pcv vlave etc? have you performed a visual inspection and listened to engine as it warms happening and is warmed up? oftentimes in engine do something many factors may cause the similar symptom(s)