codes 186 & 176

Are any of these familier, does the car run like a$$? if so try unplugging the MAF sensor and drive it. Just floor it and see if it picked up (it will not idle by itself.) If that is the case either clean the maf or buy a new one ($50 and 60 core) People say you can clean it with electronic cleaner, But I have never done it.
Bad Maf:
Symptoms
^ Lack of power
^ Spark knock/detonation
^ Buck/Jerk
^ Hesitation/Surge on acceleration
^ Malfunction Indicator Lamp (MIL) Illuminated

OBDI DTCs
^ 181, 189 (Fuel system lean, Bank 1 or 2)
^ 179, 188 (fuel system rich, Bank 1 or 2)
^ 171, 172, 173 (HO2S11 lack of switching, Bank 1)
^ 175, 176, 177 (HO2S21 lack or switching, Bank 2)
^ 184, 185 (MAF higher/ lower than expected)
^ 186, 187 (Injector pulse width higher/lower than expected)