FIXED!!!!!-Smog failed due to EML light, did a drive cycle, now car is messing up!

[diddy0071]

Like I stated, I took my vehicle to get smogged. It had been giving me a P0128 (Coolant Thermostat (Coolant Temperature Below Thermostat Regulating Temperature) code for a few months now, and I hadn't gotten the time to replace the thermostat for it, but other than that, it was running good, I reset the code and took it in. The test passed all except the EML, as stated, I needed to do a drive cycle to get the system to reset. I did a drive cycle (2 minute idle, 3 minutes 20-30mph, 15 minutes 50-60, stop and idle for 5 minutes in gear) and I drove my car home no problems. A few hours later, I turned it on, and immediately knew something was wrong. The car was idling rough, and when I tried to take off, it lurched and started driving like a 15 year old learning stick. I parked it and left it overnight until this morning when I decided to start an inspection. I checked the oil, (it was low) and added what was needed. I checked the air filter (K&N oiled air filter) it looked clean. I turned it on, and still that rough idle. I took it for a quick drive around the block and it was just hesitating everywhere. I about wanted to cry at the frustration (this is my only vehicle for work, and I work tommorrow!). It gave me 3 codes and they are:

P0171
P0174
P0732

Why did they pop up all of a sudden? Did the fucker at the smog shop do something on purpose to fuck up my vehicle? I need help. I replaced the alternator on this a few months back, so if I have to tackle something in the engine, I will do it. I just want my car fixed, and ASAP. Any ideas friends? Please, help. I am desperate.