It could be the automatic transmission or a restricted transmission filter/screen,not allowing enough fluid to shift/downshift properly. pan dented. Another possibility mass air flow sensor malfunction. Are all air cleaner hoses connected and tight? Throttle position sensor could be giving false reading to ecu. Any codes or check engine lamp? Get a free scan from auto zone or equivalent.
you have a bad fuel pump
Subaru Legacy was created in 1989.
dirty fuel line
Yes, Subaru made the Legacy in 1996.
Yes.
You must be talking about a Subaru Legacy GT and a Subaru Legacy GT spec B. They are two different legacy models and the specs are on the website.
subaru legacy automatik 2475 cm petrol
Yes.
The 2004 Subaru Legacy has 16 valves.
The 2013 Subaru Legacy has 16 valves.
The 2001 Subaru Legacy has 16 valves.
The 2007 Subaru Legacy has 16 valves.