Symptom Index - Definitions

SYMPTOM DIAGNOSTIC TEST
Hard Start
Checking The Fuel Pressure
Checking Coolant Sensor Calibration
Checking Throttle Position Sensor Calibration
Checking MAP Sensor Calibration
Checking The Minimum Idle Air Flow
Checking Idle Air Control Motor Operation
Checking EVAP Emission System
Checking IAT Sensor

Engine Stall In Gear
Check TCC Operation

Hesitation/SAG/stumble
Checking PCM Power And GND CKT
Checking The Fuel Pressure
Checking Coolant Sensor Calibration
Checking Throttle Position Sensor Calibration
Checking MAP Sensor Calibration
Checking The Minimum Idle Air Flow
Checking Idle Air Control Motor Operation
Check EVAP Emission System

Surge
Checking PCM Power And GND CKT
Checking The Fuel Pressure
Checking Coolant Sensor Calibration
Checking Throttle Position Sensor Calibration
Checking MAP Sensor Calibration
Checking The Minimum Idle Air Flow
Checking Idle Air Control Motor Operation
Checking EVAP Emission System

Lack Of Power/sluggish
Checking PCM Power And GND CKT
Checking The Fuel Pressure
Checking Coolant Sensor Calibration
Checking Throttle Position Sensor Calibration
Checking MAP Sensor Calibration
Checking The Minimum Idle Air Flow
Checking Idle Air Control Motor Operation

Poor Fuel Economy
Checking PCM Power And GND CKT
Checking The Fuel Pressure
Checking Coolant Sensor Calibration
Checking Throttle Position Sensor Calibration
Checking The Minimum Idle Air Flow
Checking Idle Air Control Motor Operation
Checking EVAP Emission System
Checking IAT Sensor