Hello, I have repaired beyond 30000 vehicles in my career and I obsession to question you questions in the past I am not there in person to build up facts, data, or to test your vehicle. I may ask you to play in examination in my stead. If scrutiny is needed and you would rather not take effect testing, I can have the funds 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 say you a little more more or less the trouble history. It currently has a master tech attributed idle let breathe control valve and tps installed. without distressing anything, the last (used) ecu and my original, would govern in the car without this symptom.
This could be a large vacuum leak ,with the MAF amalgamated it is solitary measuring the let breathe that is getting gone the MAF, consequently if the intake manifold is sucking in air the ventilate to fuel ratio will be entirely out and cause the engine to stall. If MAF is disconnected the engine goes into a limp measurement and lets the engine run. in the manner of carb cleaner spray spray in the area of the hissing taking into account the engine management and in the same way as you listen the engine stall or rev forward-thinking there is the leak ,could be a bad vacuum hose bad gasket on the manifold.