1. INTAKE AIR- Intake Air Temperature - **
2. COOLANT TEMP- Engine Coolant Temperature **
3. TRANS TEMP 1- Transmission Temperature for automatic gas vehicles
4. TRANS TEMP 2- Trans temp for some vehicles made from ’94-’97.
4. RPM- engine Revolutions Per Minute **
5. MAF SENSOR LB/M- Mass Air Flow (lbs/min) **
6. MAF FREQUENCY- raw Mass Air Flow sensor output (frequency)
7. MAF FREQUENCY 2- raw MAF sensor output for the Cobalt SS and Redline
8. MAP SENSOR- Manifold Air Pressure (kPa) **
9. BOOST – Intake vacuum/boost displayed in inHg/PSI. Corrected by altitude entry or barometer**
9. THROTTLE POS. PCT- Throttle Position percentage (0-100%)
10. THROTTLE VOLTS- Throttle Position sensor output (0-5 volts)
11. MILES PER HOUR- Miles Per Hour **
12. KNOCK RETARD- Knock Retard (degrees) for most GM vehicles
13. KNOCK RETARD 2- used for KR value of ’94-’97 LT1’s and some 96/97 V8’s.
14. KNOCK RETARD 3- used for knock retard value of the Cobalt SS SC and Redline
15. IGNITION ADVANCE- ignition timing advance
16. PULSE WIDTH- injector #1 pulse width (4&6 cylinder engines)
17. SHORT TRIM B1-short term fuel trim bank#1
18. SHORT TRIM B2-short term fuel trim bank#2
19. LONG TRIM B1-long term fuel trim bank#1
20. LONG TRIM B2-long term fuel trim bank#2
21. OXYGEN SENSOR B1-O2 bank 1 sensor 1 in millivolts
22. OXYGEN SENSOR B2-O2 bank 2 sensor 1 in millivolts
23. OXYGEN SENSOR – alternate O2 sensor parameter, rarely supported.
24. RUN TIME MINS- engine run time is tenths of seconds since last engine start **
25. BATTERY VOLTAGE- Alternator/battery output voltage **
26. IAC POSITION- Idle Air Control counts (position of Idle Air Control valve)
27. PULSE WIDTH B1-injector Pulse Width for bank 1 (8 cylinder engines)
28. PULSE WIDTH B2-injector Pulse Width for bank 2 (8 cylinder engines)
29. ENGINE LOAD- calculated Engine Load (0-100%) **
30. ENGINE OIL PRESSURE (some 8 cylinder engines) **
31. INTAKE AIR 2 – Intake Air Temp. downstream of intercooler (some supercharged applications such as the
Cobalt SS, Ion Redline).
32. TRANS TEMP AL- Allison transmission temp, Duramax and Workhorse
33. TORQUE CONVERTER SLIP AL- Allison transmission converter slip, Duramax and Workhorse
34. TQ TO TRANS AL- Engine torque delivered to trans, Duramax and Workhorse
35. INJECTOR RAIL PRESSURE DESIRED DM- Duramax
36. INJECTOR RAIL PRESSURE ACTUAL DM- Duramax
37. THROTTLE PCT DM- Throttle percentage- Duramax
38. THROTTLE VOLTS DM- Throttle sensor voltage- Duramax
39. FUEL LEVEL DM- Duramax
40. INJECTOR FLOW RATE DM- Duramax
41. Desired Turbo Vane Position- 2004+ Duramax
42. Actual Turbo Vane Position- 2004+ Duramax
43. Pilot Injector Pulse Width- pilot injector pulse width in msec. - Duramax
44. Main Injector Pulse Width- main injector pulse width in msec. - Duramax
45. Pilot Injector Timing- in degrees - Duramax
46. Main Injector Timing- in degrees - Duramax
47. Pilot Injector Fuel Rate- mm^3 - Duramax
48. Main Injector Fuel Rate- mm^3 - Duramax
49. Miles Per Gallon 1- instantaneous fuel economy for gas vehicles
50. Miles Per Gallon 2- instantaneous fuel economy for diesel vehicles
51. HP 1- Calculated net horsepower for gasoline vehicles
52. HP 2- Calculated net horsepower for diesel vehicles
53. Analog 1 – analog input #1.
54. Analog 2 – analog input #2
55. TOTAL MISFIRES- Total misfires of all cylinders. Resets every minute.
56. BAROMETRIC PRESSURE- limited support on standard GM vehicles, DM support
57. PITCH – H2 Hummer support – indicates the angle of inclination of the vehicle.
58. CURRENT GEAR- Current gear of the transmission
59. TORQUE- Calculated torque from engine to transmission
60. SHIFT TIME- time (msec) for last shift to occure.15
61. TORQUE CONVERTER SLIP – Amount of slip allowed by torque converter
62. TORQUE CONVERTER STATUS- Indicates whether torque converter is locked (L) or unlocked (UL)
**These standard GM parameters also are supported by the Duramax diesel
Bi-directional controls:
1. Fan 1-3 control
2. PCM (fuel trim) reset
3. CASE (Crank Angle Sensor Error) Re- Learn









def going to have:
KR
Volts
Boost


but what else should i run?
97 gtp open cone intake, headers, 104's, 180