Check the hose clips for tightness and inspect the trunking for any cracks or splits and afterward all the vacuum system, the small bore pipes and fittings for cracks and missing parts. The best exaggeration to find a leak is to have the engine dispensation and warm and subsequently spray lighter gas /propane or brake cleaner nearly each joint in turn. If the engine rev s stirring you ve found your leak.
Its in addition to worth getting the fuel pressure checked as if this is low due to a blocked filter or faulty regulator or even a ill pump will every upshot in insufficient fuel bodily delivered to the engine. Might with be worth cleaning out the idle readiness govern motor / valve as these acquire clogged in the works once carbon and some brake cleaner washed through helps forgive things off.
Hello the TPS does have an effect on switching the car into idle mode thus I'd suggest to create certain the throttle plate is 100% closed and not slightly grounded subsequent to carbon. and subsequently familiarize the TPS consequently that the IDL glue is continuous to the E2 fix following the throttle is closed, and edit circuit taking into consideration the throttle is just cracked. Don't badly affect just about any voltages, the IDL edit is the truly important one.