Hello, I have repaired beyond 30000 vehicles in my career and I infatuation to ask you questions since I am not there in person to collect facts, data, or to exam your vehicle. I may question you to produce a result scrutiny in my stead. If chemical analysis is needed and you would rather not put-on testing, I can find the money for my best advice, Fuel pressure?
Thanks for your response. I just checked what you mentioned, that I hadn't already checked, except fuel pressure.Let me tell you a little more virtually the misery history. It currently has a master tech credited idle expose direct valve and tps installed. without distressing anything, the last (used) ecu and my original, would control in the car without this symptom.
This could be a large vacuum leak ,with the MAF partnered it is without help measuring the freshen that is getting following the MAF, consequently if the intake manifold is sucking in air the ventilate to fuel ratio will be agreed out and cause the engine to stall. If MAF is disconnected the engine goes into a limp measurement and lets the engine run. afterward carb cleaner spray can vaporizer in the place of the hissing in imitation of the engine management and behind you hear the engine stall or rev far ahead there is the leak ,could be a bad vacuum hose bad gasket upon the manifold.