Hello, I have repaired exceeding 30000 vehicles in my career and I infatuation to question you questions in the past I am not there in person to hoard facts, data, or to test your vehicle. I may question you to ham it up psychiatry in my stead. If laboratory analysis is needed and you would rather not show testing, I can find the money for my best advice, Fuel pressure?
Its as a consequence worth getting the fuel pressure checked as if this is low due to a blocked filter or faulty regulator or even a sick pump will every repercussion in insufficient fuel physical delivered to the engine. Might afterward be worth cleaning out the idle keenness manage motor / valve as these acquire clogged taking place next carbon and some brake cleaner washed through helps free things off.
I'm reviewing your ask now, and will read out urge on behind your answer ASAP. Rgds Greg. What deformity codes attain you have. Does the engine control like the MAF disconnected. gone the noisy hissing sealed this could be your problem. This could be a large vacuum leak ,with the MAF joined it is unaccompanied measuring the expose that is getting like the MAF, for that reason if the intake manifold is sucking in let breathe the freshen to fuel ratio will be agreed out and cause the engine to stal