codes 186 & 176

[94pony]

I posted another thread about a 332 code (insufficient EGR flow detected). I replaced the EGR valve. Sure enough it was staying open. Now I am still getting the 332 code along with a 186(fault in injector pulse width circuit/high, and a 176(HEGO (H02S)sensor fault/always lean) code. I switched out the HEGO sensor and still received the same errors. Can anyone help. Someone said on the other thread to clean out all my vacumm tubes? What else can I check? Thanks

 

[SN95Oh]

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)