 98 Escort ZX2 Problems
I have a 98 Ford Escort ZX2 and my check engine light came on. The problems I'm having is a rough idle, a couple times stalling, also my A/C is now only blowing out of the defrost. These things happened at the exact same time, although I'm not sure if they're related. I talked to my uncle who is a former former ford mechanic and he thought vacuum leak. I took it into a ford dealership and they got the code P0171. They said exhaust manifold leak or gasket or something along those lines, but at least $100 just to find out the exact problem. I want to know what the best way to find a vacuum leak. I'm really not good with cars, and I'm not sure this car is worth a whole lot anymore. Anyways I appreciate any and all help and if you need any more info let me know. | 
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