Where is the Coolant temp gauge sending unit on a 1987 454?

Temperature Gauge Sending Unit The sending unit is located in the front section of the intake manifold in the vicinity of the thermostat. ...

The temperature sensor (sends coolant temp to the PCM) is located in the top of the thermostat housing. The temperature sender (sends coolant temp to the gauge) is located in the bottom front of the same housing. ...

A low coolant level could cause the temp gauge not to read correctly. A faulty temp gauge sending unit could also be the cause. The coolant leak, you would have to find the source of the leak to determine the cause. ...

Low on coolant, sticky thermostat, loose connections, faulty sending unit. ...

the temp sending unit for the gauge is located on the top of the motor on the driver side next to the valve cover in the back. The engine coolant temp sensor for the computer is in the thermostat housing. ...

There is a temp sensor on the water inlet for the PCM, and sending units for the gauge on the side of the heads. Normally part stores don't carry the sending units....

If the wiring and connections at the coolant temp sending unit check okay start with replacing the coolant temp sending unit. Temp sending unit should be less than $20. ...

Could be, low on coolant (a leak in the system), a stuck closed thermostat, a faulty temp gauge sending unit, a bad head gasket or cracked head (worst case scenario). ...

The temp sending unit may be shorted to ground. Unplug the sending unit to see if the gauge drops to cold. If it does, you have a faulty temp sending unit. ...

A faulty temp sending unit can do that.

To fix the temp gauge check the temp sending unit first. A bad sending unit is a common problem with the temp system. ...

The 95 Lumina with a 3.1 engine does not have a temperature sending unit. Instead, the dash temp gauge is controlled by the engine coolant temp sensor. This sensor is located on the driver's side, top of the engine. ...

Where is the coolant temperature sending unit in a 96 toyota tacoma 3.4L V6 ...

First try unplugging the coolant temp. sending unit and plugging it back in(may just be bad connection at the plug), next replace the temp. sending unit if the plug-in thing didn't work. ...

Replacing the gauge could be a costly job but it is seldom the gauge goes bad. More likely the temp gauge sending unit is at fault. Replacing the temp gauge sending unit would take less than 15 minutes. ...

THE temp sending unit 4 the inside gauge usally has 1 wire & the sending unit 4 the Computer has 2 wires. ...

check the temp sending unite on the water intake

Check your grounding on your temp sending unit.

The temp sending unit for the temp gauge is located on the drivers side of the engine between cylinders 3 and 5 spark plugs. ...

The thermostat opens and lets the water start circulating through the radiator at about 190 deg. There is a sending unit in the block that sends the tenperature of the coolant to the temp gauge. ...

The 4.2 or the 5.3 engine?

The coolant gauge temp sensor is a one wire sensor located on the right rear of the engine block. ...

where is the coolant temperature sensor locate

Could be low on coolant or a sticky thermostat.

The temp sending unit or gauge is bad, probably the sending unit.