trouble codes

Does anyone know how to tell which codes are which? I tried to smog my car in AZ and I failed. I'm pretty sure my EGR is bad but I need to know whet these codes are: P0113, P0171, P1406.

<font face="Verdana, Arial" size="2">Originally posted by bowtieracer6:
Does anyone know how to tell which codes are which? I tried to smog my car in AZ and I failed. I'm pretty sure my EGR is bad but I need to know whet these codes are: P0113, P0171, P1406. </font>

DTC P0113 Intake Air Temperature (IAT) Sensor Circuit High Voltage

DTC P0171 Fuel Trim System Lean Bank 1

DTC P1406 EGR Valve Pintle Position Circuit

Thanks dude, looks like i have some work to do to get this thing running right. Does anyone have experience with the EGR? I was wondering whether I have to replace the whole thing. Thanks for any info.

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'96 3.8 M5
Flowmaster 2.5" catback
SLP CAI
SLP takeoff LSD
Z28 driveshaft
clear corners
15.236@91.77
my car (http://www.geocities.com/sbking06/Camaro_page.html?1014543180740)