:angry: :( i have a 1997 mitsubishi mirage 1.5L

just done a major tune up ( oil and filter, air filter, spark plugs and wire, fuel filter, fuel pump, fuel pressure reg., distributor cap and rotor.

first when i start up the engine...it will idle very rough between 500-600rpm which it should be at 750rpm. the engine will not rev at all. air/fuel meter shows a lean mixture. it is comsuming lots of gas. white smoke with little water at tailpipe. compressions at 160psi have not change o2 sensor yet (air/fuel meter is hook up to the down stream sensor) dont know if the up stream o2 is working or not because i tried hooking up the meter to the upper one but it did not give a signal so thats why i had to hook it up to the lower sensor. it has three error codes.

FUEL TRIM MALFUNTION BANK 1
EGR CIRCUIT MALFUNTION
COOLANT TEMP FUEL CONTROL HIGH AT CLOSED LOOP

please help..