Originally Posted by
PRIUS
there are 2 very tiny holes in the carb butterfly take it out clean the butterfly with choke clearner from auto store until you see a fine spray coming out. Reassemble it should idle fine after that. If you have the original manual i need the exploded view of the rear pump.
The post you are responding to is literally 20 years old, and activity on it lasted all of 2~3 weeks.
I think the engine in question has been thrown out a LONG time ago.