[V8] Temp Sensor

[bob moy]

Instead of just throwing money into the car, why not instead, try to figure 
what is wrong with the car.  If the car runs normal on the highway and 
doesn't overheat then you thermostat is OK.

The temperature sensor at head of the left bank cylinders does indeed 
control the temperature gauge.  The other temperature sensor is located on 
the bottom rightside of the radiator.  Unplug this sensor and the fan will 
use the head sensor to determine if the engine is overheating.

Does your car overheat all the time or just in stop and go traffic?  Does it 
overheat while driving along the highway?  Could be that you have a clogged 
radiator which is causing the engine to overheat.  Because the radiator is 
clogged hot coolant is no getting to the lower sensor fast enough.  When the 
coolant finally reaches the sesnor the radiator have already cool the 
coolant down enough that the sensor does not register an overheat condition.


[V8] Temp Sensor
CoultL at aol.com CoultL at aol.com
Tue Oct 5 08:42:44 EDT 2004

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I am going to buy a thermostat from the dealer and hope that helps my 
overheating issue.  I figured while I am throwing parts at the car why not 
replace the temp sensor.  As I understand it, the one on the front of the 
head is the g63 and this is the one that the cabin gauge reads?  I unplugged 
it today and the gauge went to zero...I thought it was supposed to use the 
signal from another sensory if the one on the front of the head was 
unplugged.  Does my needle going to zero when I unplugged signal that this 
other sensor is toast?  Thanks in advance.

-Justin Lewis


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