i had a replacement engine fitted recently. when i picked the car up, it felt different. the revs were running higher than normal, but only whilst it was cold. It now has a whistling / whining noise also, but not immediately. I have a daily run to work of roughly 3 miles. when i pull up to stop. the revs are around 1500 - 2000 and the noise is really loud. this is out of gear? if i blip the throttle, it eventually goes off. As ive mentioned, my car didnt have this problem before the replacement engine was fitted. the garage say that its the charcoal canister! I dont belive them! They have put the engine in with the inlet manifold attached. Could it be this, as they didn't fit my original one back on?
A speedy response would be greatly appreciated from anyone with knowledge of what this might be.