I have a 2000 Civic Ex. Has over 200,000 miles on it and has been good to me. Over they past 2 months have been dealing with the car stalling. Doesn't stall every time but the idle is way to low. It needs a new CAT but my friend who is a mechanic said that won't be the problem since we just replaced the O2 sensor and it won't stall cause of CAT. We checked the Evap pump and it wasn't that. We are thinking now it may be the MAP sensor. Trying to get my car to last me till end of summer. Any help will be greatly appreciated.

 

Any CEL codes?

Have you cleaned the IACV?