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.
Component Description
Exhaust gas temperature sensor (EGT sensor) is installed exhaust manifold. The sensor uses a thermistor which is sensitive to the change in temperature. Electrical resistance of the thermistor decreases in response to the temperature rises.
|
Exhaust gas temperature [ deg. C (deg. F)] |
Voltage* (V) |
Resistance (kOhms) |
|
100 (212) |
4.74 |
18.25 |
|
200 (392) |
4.00 |
4.00 |
|
400 (752) |
1.97 |
0.65 |
|
600 (1112) |
0.86 |
0.21 |
*: These data are reference values on the diagnosis tool.
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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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