Check the hose clips for tightness and examine the trunking for any cracks or splits and along with every the vacuum system, the small bore pipes and fittings for cracks and missing parts. The best exaggeration to locate a leak is to have the engine processing and hot and subsequently spray lighter gas /propane or brake cleaner on the order of each joint in turn. If the engine rev s stirring you ve found your leak.
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 approximately the misfortune history. It currently has a master tech endorsed idle air rule valve and tps installed. without touching anything, the last (used) ecu and my original, would direct 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 in the works and is warmed up? oftentimes in engine behave many factors may cause the same symptom(s)