Check the hose clips for tightness and examine the trunking for any cracks or splits and also all the vacuum system, the little bore pipes and fittings for cracks and missing parts. The best quirk to find a leak is to have the engine presidency and hot and later spray lighter gas /propane or brake cleaner regarding each joint in turn. If the engine rev s happening 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 nearly the trouble history. It currently has a master tech certified idle air rule valve and tps installed. without touching anything, the last (used) ecu and my original, would control in the car without this symptom.
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