Check the hose clips for tightness and inspect the trunking for any cracks or splits and with 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 handing out and warm and subsequently vaporizer lighter gas /propane or brake cleaner not far off from each joint in turn. If the engine rev s in the works you ve found your leak.
Might as a consequence be worth checking the wiring and connector to the airflow meter for any signs of corrosion or damage. you can pull off a quick malformation find if you unplug the meter and run the engine without it. if the engine condition is the thesame after that chances are the meter or the connection to it is faulty. Its plus worth cleaning the MAF sensor wires, as they can acquire coated subsequent to dirt more than era which next offsets the reading. Use some retrieve cleaner or brake cleaner to vaporizer onto the wires to sever the dirt upon no account lie alongside the wires afterward anything as they are extremely fragile
Hello the TPS does have an effect on switching the car into idle mode hence I'd suggest to create positive the throttle dish is 100% closed and not slightly ashore next carbon. and next adjust the TPS thus that the IDL stick is continuous to the E2 pin later than the throttle is closed, and edit circuit in imitation of the throttle is just cracked. Don't distress very nearly any voltages, the IDL edit is the in point of fact important one.