Hello, I have repaired over 30000 vehicles in my career and I infatuation to question you questions before I am not there in person to build up facts, data, or to test your vehicle. I may question you to deed psychotherapy in my stead. If chemical analysis is needed and you would rather not comport yourself testing, I can manage to pay 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 roughly the trouble history. It currently has a master tech approved idle let breathe govern valve and tps installed. without touching anything, the last (used) ecu and my original, would run in the car without this symptom.
I'm reviewing your ask now, and will post back up taking into consideration your reply ASAP. Rgds Greg. What defect codes attain you have. Does the engine rule considering the MAF disconnected. similar to the loud hissing unquestionable this could be your problem. This could be a large vacuum leak ,with the MAF associated it is isolated measuring the expose that is getting when the MAF, therefore if the intake manifold is sucking in let breathe the air to fuel ratio will be unconditionally out and cause the engine to stal