Check the hose clips for tightness and examine the trunking for any cracks or splits and furthermore all the vacuum system, the little bore pipes and fittings for cracks and missing parts. The best quirk to find a leak is to have the engine admin and hot and then spray lighter gas /propane or brake cleaner in this area each joint in turn. If the engine rev s up you ve found your leak.
Its along with 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 all repercussion in insufficient fuel beast delivered to the engine. Might as a consequence be worth cleaning out the idle keenness run motor / valve as these get clogged in the works bearing in mind carbon and some brake cleaner washed through helps free things off.
Hello the TPS does have an effect on switching the car into idle mode appropriately I'd suggest to create distinct the throttle plate is 100% closed and not slightly stuck like carbon. and next adjust the TPS correspondingly that the IDL pin is continuous to the E2 glue afterward the throttle is closed, and right to use circuit later the throttle is just cracked. Don't make miserable virtually any voltages, the IDL entrance is the really important one.