I thought so. Mine was bound up I took it out cleaned and soaked and freed it up found out whoever installed it had it in upside down and thus when the engine got hot it actually closed the butterfly it works now HOWEVER my intake manifold barely gets warm even when the engine is up to temp. My car simply falls flat on it's face when you try to take off from a stop it acts exactly like the accelerator pump is bad BUT I have had three NEW carbs. on and there was NO change. Starts fine runs fine at idle but if you don't feather it the engine just dies. Going down the road at 50 mph runs good no issues. Any ideas?