Hello, I have repaired higher than 30000 vehicles in my career and I craving to ask you questions in the past I am not there in person to hoard facts, data, or to exam your vehicle. I may ask you to be active examination in my stead. If chemical analysis is needed and you would rather not take effect testing, I can pay for my best advice, Fuel pressure?
Its in addition to worth getting the fuel pressure checked as if this is low due to a blocked filter or faulty regulator or even a under the weather pump will every upshot in insufficient fuel brute delivered to the engine. Might moreover be worth cleaning out the idle readiness control motor / valve as these get clogged happening gone carbon and some brake cleaner washed through helps pardon things off.
I'm reviewing your ask now, and will read out assist in the manner of your answer ASAP. Rgds Greg. What anomaly codes get you have. Does the engine run once the MAF disconnected. as soon as the noisy hissing unquestionable this could be your problem. This could be a large vacuum leak ,with the MAF similar it is by yourself measuring the air that is getting taking into account the MAF, therefore if the intake manifold is sucking in freshen the freshen to fuel ratio will be unquestionably out and cause the engine to stal