How to check and replace a faulty coolant temperature gauge and Coolant Temperature Sensor on Toyota 4Runner,Toyota T100 and Toyota Tacoma?

If the coolant temperature gauge isn't working, check the fuses. If it shows excessive temperature, consult the manual. If it reads HOT on a cold start, disconnect the sender wire. If the gauge drops, replace the unit. If it stays high, the wire or gauge could be faulty. If the gauge doesn't indicate after warming up, disconnect the wire at the unit and connect it to a clean engine ground. Also, reconnect the connector, refill the cooling, and check for leaks.

Genuine Toyota T100 Coolant Temperature Sensor

Coolant Water Temperature Sensor

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1 Coolant Temperature Sensor found

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Toyota T100 Sensor, Water Temperature
Part Number: 89422-35010
- Other Name: Sensor, Water Temperature (For E.F.I.)
- Comment: (FOR E.F.I.)
$57.58 MSRP: $80.49
You Save: $22.91 (29%)

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Fits the following Vehicles:
1993-1998 Toyota T100 | DLX, SR5, STD | 4 Cyl 2.7L, 6 Cyl 3.0L, 6 Cyl 3.4L | 3RZFE, 3VZE, 5VZFE; 3RZFE, 3VZE, 5VZFE; RCK10L-TRMRKA, RCK10L-TRSRKA, VCK10L-THMREA, VCK10L-THSREA, VCK10L-TRMREA, VCK10L-TRMREK, VCK10L-TRMSEA, VCK10L-TRMSEK, VCK10L-TRSREA, VCK10L-TRSREK, VCK10L-TRSSEA, VCK10L-TRSSEK, VCK11L-CRMDKA, VCK11L-CRMDKK, VCK11L-CRMSKA, VCK11L-CRSDKA, VCK11L-CRSDKK, VCK11L-CRSSKA, VCK11L-THMDKA, VCK11L-THSDKA, VCK11L-TRMDKA, VCK11L-TRMDKK, VCK11L-TRMRKA, VCK11L-TRMSKA, VCK11L-TRSDKA, VCK11L-TRSDKK, VCK11L-TRSSKA, VCK20L-TRMREA, VCK20L-TRMREK, VCK20L-TRMSEA, VCK20L-TRMSEK, VCK20L-TRSREA, VCK20L-TRSREK, VCK20L-TRSSEA, VCK20L-TRSSEK, VCK21L-CRMDKA, VCK21L-CRMDKK, VCK21L-CRMSKA, VCK21L-CRMSKK, VCK21L-CRSDKA, VCK21L-CRSDKK, VCK21L-CRSSKA, VCK21L-CRSSKK, VCK21L-TRMDKA, VCK21L-TRMDKK, VCK21L-TRMSKA, VCK21L-TRMSKK, VCK21L-TRSDKA, VCK21L-TRSDKK, VCK21L-TRSSKA, VCK21L-TRSSKK
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Toyota T100 Coolant Temperature Sensor Parts Questions & Answers

Sensor, Water Temperature
89422-35010
Q: How to check and replace a faulty coolant temperature gauge and Coolant Temperature Sensor on Toyota 4Runner,Toyota T100 and Toyota Tacoma?
A: If the coolant temperature gauge isn't working, check the fuses. If it shows excessive temperature, consult the manual. If it reads HOT on a cold start, disconnect the sender wire. If the gauge drops, replace the unit. If it stays high, the wire or gauge could be faulty. If the gauge doesn't indicate after warming up, disconnect the wire at the unit and connect it to a clean engine ground. Also, reconnect the connector, refill the cooling, and check for leaks.