Check the hose clips for tightness and examine 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 showing off to find a leak is to have the engine government and warm and subsequently spray can lighter gas /propane or brake cleaner on the subject of each joint in turn. If the engine rev s happening you ve found your leak.
Its as well as worth getting the fuel pressure checked as if this is low due to a blocked filter or faulty regulator or even a poorly pump will all repercussion in insufficient fuel subconscious delivered to the engine. Might as well as be worth cleaning out the idle eagerness manage motor / valve as these acquire clogged in the works taking into consideration carbon and some brake cleaner washed through helps pardon things off.
Hello the TPS does have an effect on switching the car into idle mode as a result I'd suggest to create clear the throttle dish is 100% closed and not slightly stuck next carbon. and then familiarize the TPS hence that the IDL fasten is continuous to the E2 stick in the same way as the throttle is closed, and entrance circuit later than the throttle is just cracked. Don't distress more or less any voltages, the IDL entre is the truly important one.