2000 Toyota Tundra Temperature Gauge Showing Hot

My outside temperature display always shows a temperature 5 degrees above the actual temperature.

2000 toyota tundra temperature gauge showing hot. Id suggest undoing your grey wire mod to see if the water temp gauge problems go away just as a check. Daytime Running Lights Page L-5 Accessories Systems 1. No matter how hot the weather or what I am pulling the temperature gauge sits right in the middle.

Most vehicles also have an engine temperature gauge that shows just how hot the engine is. I have hooked up my scan tool and the engine temperature shows up in the normal range. EnolaGaia Feb 13 2011.

The truck is a 2001 with the 34 liter V6. I have replaced the temperature sensor in the front grill but still the same result. Discussion Starter 1 Feb 21 2008.

The Tundra never has given me an overheating problem in 19 years. I have a 2000 Toyota Tundra and while reading through the manual I saw that there is a temperature sensor in the transmission that goes to the ECM. Up to 190000 miles my Toyota dealer performed all maintenance.

If the temp gauge starts working correctly Id then go back and re-do the grey wire mod to eliminate whatever wiring fault there is. The temperature warning light is on the dashboard gauge cluster and usually contains the words temp or engine overheating Or it may simply show a picture of a thermometer. 1988 gmc sierra temp gauge.

It might be as simple as a short around the 4WD ECU. Run with rad cap off and cycle the thermostat adding coolant as required. While there are a variety of reasons your Toyota Tundra is overheating the most common 3 are a coolant leak water pump radiator hose etc the radiator fan or a failed thermostat.