Check the hose clips for tightness and examine the trunking for any cracks or splits and then every the vacuum system, the little bore pipes and fittings for cracks and missing parts. The best pretentiousness to find a leak is to have the engine government and warm and subsequently spray lighter gas /propane or brake cleaner a propos each joint in turn. If the engine rev s going on you ve found your leak.
Might with be worth checking the wiring and connector to the airflow meter for any signs of corrosion or damage. you can get a quick irregularity locate if you unplug the meter and govern the engine without it. if the engine condition is the same after that chances are the meter or the connection to it is faulty. Its next worth cleaning the MAF sensor wires, as they can acquire coated similar to dirt higher than become old which after that offsets the reading. Use some admittance cleaner or brake cleaner to spray onto the wires to sever the dirt upon no account be adjacent to the wires later than everything as they are agreed fragile
Hello the TPS does have an effect on switching the car into idle mode consequently I'd recommend to make determined the throttle plate is 100% closed and not slightly beached as soon as carbon. and subsequently get used to the TPS consequently that the IDL fasten is continuous to the E2 attach in the manner of the throttle is closed, and contact circuit similar to the throttle is just cracked. Don't upset roughly any voltages, the IDL retrieve is the in fact important one.