I drive a manual transmission car and i just got my clutch fixed but when i step on the accelerator, the engine just revs to about 4000-5000 RPM and it stays like that for about 10 seconds until it actually begins to accelerate, but very slowly. I don't want to go and get a vehicle diagnosis for about $100 and find out that i will need to spend another $300 or so just to get that problem fixed. Please Help!