Checking Throttle Position Sensor Calibration

Tests 746 - 749:

SYMPTOM
* CHECKING THROTTLE POSITION SENSOR CALIBRATION

POSSIBLE CAUSES
- TPS voltage below 3.4 volts at wide open throttle
- TPS voltage change not a smooth transition
- Throttle cable and body binding or restricted
- TPS voltage above 1.5 volts with throttle closed