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 Cadillac Eldorado V8-300 4.9LFACTORY OEM SERVICE PROCEDURE
Coolant Temperature Sensor/Switch (For Computer)
<0015>
| Resistance | 177 at 212 Ohms At Degrees Fahrenheit (ohms @ deg F) |
| 241 at 194 Ohms At Degrees Fahrenheit (ohms @ deg F) | |
| 332 at 176 Ohms At Degrees Fahrenheit (ohms @ deg F) | |
| 467 at 158 Ohms At Degrees Fahrenheit (ohms @ deg F) | |
| 667 at 140 Ohms At Degrees Fahrenheit (ohms @ deg F) | |
| 973 at 122 Ohms At Degrees Fahrenheit (ohms @ deg F) | |
| 1188 at 113 Ohms At Degrees Fahrenheit (ohms @ deg F) | |
| 1459 at 104 Ohms At Degrees Fahrenheit (ohms @ deg F) | |
| 1802 at 95 Ohms At Degrees Fahrenheit (ohms @ deg F) | |
| 2238 at 86 Ohms At Degrees Fahrenheit (ohms @ deg F) | |
| 2796 at 77 Ohms At Degrees Fahrenheit (ohms @ deg F) | |
| 3520 at 68 Ohms At Degrees Fahrenheit (ohms @ deg F) | |
| 4450 at 59 Ohms At Degrees Fahrenheit (ohms @ deg F) | |
| 5670 at 50 Ohms At Degrees Fahrenheit (ohms @ deg F) | |
| 7280 at 41 Ohms At Degrees Fahrenheit (ohms @ deg F) | |
| 9420 at 32 Ohms At Degrees Fahrenheit (ohms @ deg F) | |
| 12300 at 23 Ohms At Degrees Fahrenheit (ohms @ deg F) | |
| 16180 at 14 Ohms At Degrees Fahrenheit (ohms @ deg F) | |
| 21450 at 5 Ohms At Degrees Fahrenheit (ohms @ deg F) | |
| 28680 at -4 Ohms At Degrees Fahrenheit (ohms @ deg F) | |
| 52700 at -22 Ohms At Degrees Fahrenheit (ohms @ deg F) | |
| 100700 at -40 Ohms At Degrees Fahrenheit (ohms @ deg F) |
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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