Check the hose clips for tightness and inspect the trunking for any cracks or splits and afterward every the vacuum system, the little bore pipes and fittings for cracks and missing parts. The best way to locate a leak is to have the engine management and warm and subsequently spray lighter gas /propane or brake cleaner in relation to each joint in turn. If the engine rev s occurring 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 pull off a fast deformity locate if you unplug the meter and run the engine without it. if the engine condition is the same subsequently chances are the meter or the membership to it is faulty. Its in addition to worth cleaning the MAF sensor wires, as they can get coated when dirt exceeding times which after that offsets the reading. Use some contact cleaner or brake cleaner to spray can onto the wires to cut off the dirt upon no account be next to the wires like all as they are unconditionally fragile
Hello the TPS does have an effect upon switching the car into idle mode appropriately I'd suggest to create determined the throttle plate is 100% closed and not slightly stranded in imitation of carbon. and later acclimatize the TPS therefore that the IDL fasten is continuous to the E2 fasten subsequent to the throttle is closed, and admittance circuit bearing in mind the throttle is just cracked. Don't bother very nearly any voltages, the IDL retrieve is the in point of fact important one.