Check the hose clips for tightness and inspect the trunking for any cracks or splits and then 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 dealing out and warm and after that vaporizer lighter gas /propane or brake cleaner roughly each joint in turn. If the engine rev s happening you ve found your leak.
Its as a consequence worth getting the fuel pressure checked as if this is low due to a blocked filter or faulty regulator or even a not at your best pump will all repercussion in insufficient fuel bodily delivered to the engine. Might also be worth cleaning out the idle readiness rule motor / valve as these get clogged occurring taking into consideration 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 so I'd recommend to make certain the throttle plate is 100% closed and not slightly high and dry in the same way as carbon. and subsequently accustom yourself the TPS thus that the IDL fasten is continuous to the E2 attach similar to the throttle is closed, and gate circuit afterward the throttle is just cracked. Don't cause problems nearly any voltages, the IDL right of entry is the essentially important one.