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.
SYS.OK|MANUAL.DBβ LIVE
HOMESERVICE MANUALSMERCURY1991TRACER BASE, 4D SEDAN, AUTOMATICREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 129 (ENGINE CONTROLS - SENSOR OPERATING RANGE CHARTS 4.6L)ELECTRONIC ENGINE CONTROL (EEC-IV)INTAKE AIR TEMPERATURE (IAT) & ENGINE COOLANT TEMPERATURE
1991 Mercury Tracer Base, 4D Sedan, Automatic
Intake Air Temperature (IAT) & Engine Coolant Temperature
1991 Mercury Tracer Base, 4D Sedan, AutomaticSECTION Intake Air Temperature (IAT) & Engine Coolant Temperature
WARNING: This page is about a different car, the 1995 Lincoln Mark VIII. However, it is still accessible from the selected car via links, so may be relevant.
(ECT) SENSORS
IAT & ECT SENSOR SPECIFICATIONS (1)
| Temperature Β°F (Β°C) | (2) Volts | (2) Ohms | ||||
|---|---|---|---|---|---|---|
| 50 (10) | 3.51 | 58,750 | ||||
| 68 (20) | 3.07 | 37,300 | ||||
| 86 (30) | 2.60 | 24,270 | ||||
| 104 (40) | 2.13 | 16,150 | ||||
| 122 (50) | 1.70 | 10,970 | ||||
| 140 (60) | 1.33 | 7700 | ||||
| 158 (70) | 1.02 | 5370 | ||||
| 176 (80) | 0.78 | 3840 | ||||
| 194 (90) | 0.60 | 2800 | ||||
| 212 (100) | 0.46 | 2070 | ||||
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RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.