The Stern Technologies OBDII scanner and code reader
supports reading the following engine parameters.
Note that your car may not support all these parameters.
Engine Load (LOAD)
Engine Coolant Temperature (ECT)
Short Term Fuel Trim for each Oxygen sensort
Long Term Fuel Trim for each Oxygen sensor
Fuel Pressure
Intake Manifold Absolute Pressure (MAP)
Engine RPM
Vehicle Speed Sensor (VSS)
Ignition Timing Advance
Intake Air Temperature (IAT)
Mass Air Flow Rate (MAF)
Absolute Throttle Position (TPS in percent)
Secondary Air Status (up stream, downstream, off)
Oxygen Sensor Voltage for each sensor
What OBD requirements car meets
Power Take Off Status (PTO)
Time Since Engine Start (RUNTM)
Distance Traveled with Check engine light on (MIL_DIST)
Fuel Pressure relative to manifold pressure (FRP)
EGR command percent flow (EGR_PCT)
EGR Error in percent (EGR_ERR)
Evaporative Purge command percent (EVAP_PCT)
Fuel Level in percent (FLI)
Number of warm-ups since DTC cleared (Warm_Ups)
Distance traveled since DTC cleared (CLR_DIST)
Evap system pressure (EVAP_VP)
Barometric Pressure (BARO)
Oxygen sensor Equivalence Ratio (EQ_RAT)
Oxygen sensor current
Catalyst Temperature
Control Module Voltage (VPWR)
Absolute Load (LOAD_ABS)
Command Equivalence Ratio (EQ_RAT)
Relative Throttle Position (TP_R)
Ambient air temperature (AAT)
Absolute Throttle Position location B (TP_B)
Absolute Throttle Position location C (TP_C)
Accelerator Pedal Position D (APP_D)
Accelerator Pedal Position E (APP_E)
Accelerator Pedal Position F (APP_F)
Command Throttle Actuator Control (TAC_PCT)
Minutes run by the engine while Check Engine (MIL) light on (MIL_TIME)
Time since diagnostic trouble codes cleared (CLR_TIME)