Hello, I have repaired higher than 30000 vehicles in my career and I infatuation to question you questions previously I am not there in person to build up facts, data, or to test your vehicle. I may question you to ham it up psychotherapy in my stead. If study is needed and you would rather not pretense 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 tell you a little more virtually the problem history. It currently has a master tech certified idle expose direct valve and tps installed. without heartwarming 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 linked it is and no-one else measuring the freshen that is getting subsequently the MAF, in view of that if the intake manifold is sucking in expose the ventilate to fuel ratio will be extremely 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 vaporizer vaporizer in the area of the hissing with the engine management and following you hear the engine stall or rev complex there is the leak ,could be a bad vacuum hose bad gasket upon the manifold.