Check the hose clips for tightness and inspect the trunking for any cracks or splits and as a consequence every the vacuum system, the little bore pipes and fittings for cracks and missing parts. The best showing off to locate a leak is to have the engine management and hot and subsequently spray can lighter gas /propane or brake cleaner a propos each joint in turn. If the engine rev s happening you ve found your leak.
Might next be worth checking the wiring and connector to the airflow meter for any signs of corrosion or damage. you can realize a fast aberration locate if you unplug the meter and rule the engine without it. if the engine condition is the same subsequently chances are the meter or the membership to it is faulty. Its as a consequence worth cleaning the MAF sensor wires, as they can acquire coated as soon as dirt greater than mature which next offsets the reading. Use some door cleaner or brake cleaner to spray can onto the wires to separate the dirt upon no account be adjacent to the wires taking into consideration all as they are utterly fragile
Hello the TPS does have an effect on switching the car into idle mode consequently I'd suggest to create positive the throttle plate is 100% closed and not slightly ashore following carbon. and then adapt the TPS correspondingly that the IDL fix is continuous to the E2 pin past the throttle is closed, and open circuit taking into account the throttle is just cracked. Don't make miserable very nearly any voltages, the IDL gain access to is the in reality important one.