Honda Repair: 98 Accord, professional mechanic, vacuum leak

Question
Car has 64000 miles on it. Idle was low and caused vibration with a/c on. Had throttle body cleaned, tune up and timing belt replaced. Car now idles at 1500 to 2000 rpm. The idle does not reduce with the a/c off and even stays high when in park. I was told the IEC (is this correct?) motor needs replaced. Does this sound correct? Is it expensive or something I can do myself?  appreciate any help you can give.

Answer
Stacy:
I can understand cleaning the throttle body and doing a tune up, I'm not sure why the timing belt was replaced. They should have also replaced the water pump along with the timing belt, Honda recommends the timing belt/water pump at 90,000 miles and it would have nothing to do with the problem you describe unless they thought it jumped a tooth on the sprocket, not likely though. I think the mechanic is just trying different things at your expense; he is not diagnosing the problem. I would be looking for a vacuum leak to start out. I'm not sure what an IEC is, I have not heard of this, but I'm not a professional mechanic so it may exist, I cannot find it listed anywhere. First thing I would do is find another mechanic unless the current one is willing to give you back some money he spent troubleshooting and not fixing the problem.
They need to diagnosis the problem, test the part and replace what is bad; they should have all the necessary equipment to do the work properly.
Let me know if you have any other question and how this turns out. I get really aggravated when it sound like someone is getting ripped off.
Good luck.
Bill