Check the hose clips for tightness and inspect the trunking for any cracks or splits and also every the vacuum system, the small bore pipes and fittings for cracks and missing parts. The best pretension to locate a leak is to have the engine meting out and hot and after that spray can lighter gas /propane or brake cleaner not far off from each joint in turn. If the engine rev s stirring you ve found your leak.
Its furthermore worth getting the fuel pressure checked as if this is low due to a blocked filter or faulty regulator or even a in poor health pump will every consequences in insufficient fuel mammal delivered to the engine. Might moreover be worth cleaning out the idle zeal manage motor / valve as these get clogged going on bearing in mind carbon and some brake cleaner washed through helps forgive things off.
Hello the TPS does have an effect upon switching the car into idle mode appropriately I'd recommend to make positive the throttle plate is 100% closed and not slightly ashore next carbon. and next familiarize the TPS therefore that the IDL fasten is continuous to the E2 pin with the throttle is closed, and retrieve circuit gone the throttle is just cracked. Don't trouble nearly any voltages, the IDL entry is the really important one.