Symptom Chart

SYMPTOM DIAGNOSTIC TEST

Hard Start Checking The Fuel Pressure
Checking ECT Calibration
Checking TP Sensor
Checking MAP Sensor Calibration
Checking The Minimum Idle Air Flow
Checking IAC Motor Operation
Checking EVAP Emission System
Checking AT Sensor

Engine Stall In Gear Checking TCC Operation

Hesitation/Sag/Stumble Checking PCM Power And GND CKT
Checking The Fuel Pressure
Checking ECT Calibration
Checking TPS Calibration
Checking MAP Sensor Calibration
Checking The Minimum Idle Air Flow
Checking IAC Motor Operation
Checking EVAP Emission System

Surge Checking PCM Power And GND CKT
Checking The Fuel Pressure
Checking ECT Calibration
Checking TPS Calibration
Checking MAP Sensor Calibration
Checking The Minimum Idle Air Flow
Checking IAC Motor Operation
Checking EVAP Emission System

Lack Of Power/Sluggish Checking PCM Power And GND CKT
Checking The Fuel Pressure
Checking ECT Calibration
Checking TPS Calibration
Checking MAP Sensor Calibration
Checking The Minimum Idle Air Flow
Checking IAC Motor Operation

Runs Rough,
Unstable/Erratic Idle Checking PCM Power And GND CKT
Checking The Fuel Pressure
Checking ECT Calibration
Checking TPS Calibration
Checking Map Sensor Calibration
Checking The Minimum Idle Air Flow
Checking IAC Motor Operation
Checking EVAP Emission System
Checking IAT Sensor

Poor Fuel Economy Checking PCM Power And GND CKT
Checking The Fuel Pressure
Checking ECT Calibration
Checking TPS Calibration
Checking MAP Sensor Calibration
Checking The Minimum Idle Air Flow
Checking IAC Motor Operation
Checking EVAP Emission System
Checking IAT Sensor