Check the hose clips for tightness and inspect the trunking for any cracks or splits and next all the vacuum system, the little bore pipes and fittings for cracks and missing parts. The best mannerism to locate a leak is to have the engine running and hot and then spray can lighter gas /propane or brake cleaner approximately each joint in turn. If the engine rev s up 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 little more virtually the burden history. It currently has a master tech recognized idle freshen direct valve and tps installed. without disturbing anything, the last (used) ecu and my original, would rule in the car without this symptom.
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