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 MANUALSTOYOTA2009TUNDRA 2WD V8-4.7L (2UZ-FE)REPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSENGINE TEMPERATURE SENSORTESTING AND INSPECTION
2009 Toyota Tundra 2WD V8-4.7L (2UZ-FE)
Engine Temperature Sensor: Testing and Inspection
2009 Toyota Tundra 2WD V8-4.7L (2UZ-FE)SECTION Testing and Inspection
2UZ-FE ENGINE CONTROL SYSTEM: ENGINE COOLANT TEMPERATURE SENSOR: INSPECTION
INSPECTION
1. INSPECT ENGINE COOLANT TEMPERATURE SENSOR
(a) Partially soak the sensor in water and warm up the water.
(b) Measure the resistance according to the value(s) in the table below.
Standard resistance:
NOTE: When checking the sensor in water, keep the terminals dry. After the check, wipe the sensor dry.
If the result is not as specified, replace the sensor.
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:
- • 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.