Check the hose clips for tightness and inspect the trunking for any cracks or splits and then all the vacuum system, the little bore pipes and fittings for cracks and missing parts. The best artifice to locate a leak is to have the engine organization and warm and later spray lighter gas /propane or brake cleaner vis--vis each joint in turn. If the engine rev s stirring you ve found your leak.
Might also be worth checking the wiring and connector to the airflow meter for any signs of corrosion or damage. you can reach a quick anomaly locate if you unplug the meter and manage the engine without it. if the engine condition is the similar later chances are the meter or the relationship to it is faulty. Its also worth cleaning the MAF sensor wires, as they can acquire coated following dirt on top of times which subsequently offsets the reading. Use some contact cleaner or brake cleaner to spray can onto the wires to sever the dirt on no account touch the wires in the manner of everything as they are utterly fragile
Hello the TPS does have an effect upon switching the car into idle mode as a result I'd recommend to create determined the throttle plate is 100% closed and not slightly stranded following carbon. and then get used to the TPS as a result that the IDL attach is continuous to the E2 fix in the manner of the throttle is closed, and gate circuit later than the throttle is just cracked. Don't upset virtually any voltages, the IDL admittance is the in fact important one.