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.
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HOMESERVICE MANUALSMERCURY1992TRACER BASE, 4D WAGON, AUTOMATICREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCESYSTEMENGINE CONTROLS - TESTS W/CODES - EEC
1992 Mercury Tracer Base, 4D Wagon, Automatic
Engine Controls - Tests W/Codes - EEC
1992 Mercury Tracer Base, 4D Wagon, AutomaticSECTION Engine Controls - Tests W/Codes - EEC
- Introduction
- Self-Diagnostic System
- Summary
- Circuit Tests
- Notes
- How To Use Circuit Tests
- Connector Terminal Id
- Test Equipment
- Circuit Test BP - Barometric Pressure Sensor
- Circuit Test CID (1.8L) - Cylinder Identification
- Circuit Test CID (2.2L Turbo) - Cylinder Identification
- Circuit Test Cps - Crankshaft Position Sensor
- Circuit Test ECT - Engine Coolant Temperature Sensor
- Circuit Test Ego - Exhaust Gas/Oxygen Sensor
- Circuit Test EVP (2.2L) - EGR Valve Position Sensor
- Circuit Test IDM - Ignition Diagnostic Monitor
- Circuit Test Kc (2.2L Turbo) - Knock Sensor (KS) & Knock Control Unit (KCU)
- Circuit Test SCG - Solenoid Controlled By Ground
- Circuit Test STG - Switch To Ground
- Circuit Test STI - Self-Test Input
- Circuit Test STO - Self-Test Output
- Circuit Test STP - Switch To Power
- Circuit Test TP - Throttle Position Sensor
- Circuit Test VAF - Vane Airflow Meter
- Circuit Test Vat - Vane Air Temperature
- Circuit Test VSS - Vehicle Speed Sensor
- Circuit Test VPWR - Vehicle Power
- Circuit Test VREF - Reference Voltage & Signal Return
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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.