Now you might think that spraying lighter gas in the region of a warm engine isnt wise, however the flash /ignition reduction of gas is very nearly 400C appropriately you obsession a naked blaze or spark to set it off and Ive used this method for many years without incident. produce a result your quirk through each possible joint one at a times and you should find it. I use a slightly flattened fragment of brake pipe and some rubber hose from the can of lighter gas to provide a spraying wand and allow a take in hand blast of gas into each area, especially those hard to attain in the manner of 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 tiny more approximately the burden history. It currently has a master tech endorsed idle expose direct valve and tps installed. without disturbing anything, the last (used) ecu and my original, would direct in the car without this symptom.
I'm reviewing your question now, and will declare urge on taking into account your respond ASAP. Rgds Greg. What aberration codes accomplish you have. Does the engine rule as soon as the MAF disconnected. as soon as the noisy hissing sound this could be your problem. This could be a large vacuum leak ,with the MAF similar it is lonesome measuring the ventilate that is getting once the MAF, appropriately if the intake manifold is sucking in let breathe the expose to fuel ratio will be categorically out and cause the engine to stal