GM OBDI trouble codes

[Venturi]

13 - Open Oxygen Sensor Circuit
14 - Coolant Temperature Sensor (High Temp Indicated)
15 - Coolant Temperature Sensor (Low Temp Indicated)
21 - Throttle Position Sensor (Signal Voltage High)
22 - Throttle Position Sensor (Signal Voltage Low)
23 - Manifold Air Temperature (MAT) Low Temp Indicated
24 - Vehicle Speed Sensor (VSS) Circuit
25 - Manifold Air Temperature (MAT) High Temp Indicated
26 - Quad Driver Circuit
27 - Quad Driver Circuit or Gear Switch Diagnosis
28 - Quad Driver Circuit or Gear Switch Diagnosis
29 - Gear Switch Diagnosis
31 - P/N Switch
32 - Exhaust Gas Recirculation (EGR) Circuit
33 - Manifold Absolute Pressure Sensor Circuit (High Sig.)
34 - Manifold Absolute Pressure Sensor Circuit (Low Sig.)
35 - Idle Air Control (IAC)
36 - Transaxle Shift Control Problem (w/o 8 cyl)
36 - 24X Signal Circuit Problem (Camaro&Firebird w3.4L)
36 - MAF Sensor Burn Off Circuit (w 8 cyl)
38 - Brake Input Circuit
39 - TTC Circuit
41 - 1X Referance Circuit (4 cyl)
41 - Cylinder Select Error (ex 3.8L & 3800)
41 - Cam Sensor Circuit (3.8L & 3800)
42 - EST Circuit
42 - Ignition Control (IC) Circuit (Camaro&Firebird w3.4L)
43 - ESC Circuit
43 - Knock Sensor (KS) Circuit
44 - Oxygen Sensor Circuit (Lean Exhaust Indicated)
45 - Oxygen Sensor Circuit (Rich Exhaust Indicated)
48 - Misfire Diagnosis
51 - EEPROM or ECM Failure
53 - System Voltage Overcharge
54 - Fuel Pump Circuit (Low Voltage)
55 - ECM Error
61 - Degraded Oxygen Sensor
62 - Transaxle Gear Switch Signal Circuit
63 - EGR Flow Check
63 - A/C Refrigerant Pressure Sensor Circuit
64 - EGR Flow Check