Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
1993 Ford Probe Base, AutomaticFACTORY OEM SERVICE PROCEDURE
Engine Controls - Tests W/Codes - 2.0L A/T
- Introduction
- Self-Diagnostic System
- Summary
- Circuit Tests
- Pcm Connector Identification
- How To Use Circuit Tests
- Test Equipment
- Test BARO (2.0L A/T) - Barometric Pressure Sensor
- Test CID - Cylinder Identification Sensor
- CKT Test CKP1 - Crankshaft Position Sens No.1
- Test ECT - Engine Coolant Temperature Sensor
- CKT Test ECTF - Cooling Fan Engine Coolant Temp Sensor
- CKT Test EGRT - Exhaust Gas RECIRCULATION Temp Sens
- Test Ho2S - Heated Oxygen Sensor
- Test IAT - Intake Air Temperature Sensor
- Test MAF (2.0L A/T) - Mass Airflow Sensor
- Test Mil - Malfunction Indicator Light
- Test PGC - Power & Ground Check
- Test Roc - Relay Output Check
- Test SCG - Solenoid Controlled By Ground
- Test SML - Switch Monitor Light
- Test STI - Self-Test Input
- Test STO - Self-Test Output
- Test STP - Switch To Power
- CKT Test TP - TPS Sensor
- Test VPWR - Vehicle Power
- Test VREF - Reference Voltage
- Test VSS - Vehicle Speed Sensor
- Wiring Diagrams
Factory Service Tools
Use the Manual With the Right Hardware
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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