Check the hose clips for tightness and examine the trunking for any cracks or splits and moreover all the vacuum system, the little bore pipes and fittings for cracks and missing parts. The best pretension to find a leak is to have the engine processing and hot and later spray lighter gas /propane or brake cleaner approximately each joint in turn. If the engine rev s going on 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 say you a tiny more practically the burden history. It currently has a master tech certified idle air direct valve and tps installed. without disturbing anything, the last (used) ecu and my original, would direct in the car without this symptom.
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