Check the hose clips for tightness and examine the trunking for any cracks or splits and as well as every the vacuum system, the little bore pipes and fittings for cracks and missing parts. The best habit to locate a leak is to have the engine handing out and warm and subsequently spray can lighter gas /propane or brake cleaner concerning each joint in turn. If the engine rev s stirring you ve found your leak.
Its after that worth getting the fuel pressure checked as if this is low due to a blocked filter or faulty regulator or even a not a hundred percent pump will every upshot in insufficient fuel brute delivered to the engine. Might along with be worth cleaning out the idle promptness rule motor / valve as these acquire clogged in the works behind carbon and some brake cleaner washed through helps clear things off.
Hello the TPS does have an effect on switching the car into idle mode in view of that I'd suggest to create certain the throttle dish is 100% closed and not slightly beached when carbon. and after that become accustomed the TPS in view of that that the IDL pin is continuous to the E2 fasten later the throttle is closed, and contact circuit subsequently the throttle is just cracked. Don't worry not quite any voltages, the IDL approach is the in fact important one.