I changed the temperature sensor and I still have the problem, my temperature gauge is still in high position. My radiator and coolant are not overheating the fan is work as well. Is there anything i should check or change before I go to the service? Thank you for any help.
this is the coolant temp sensor, it sends a signal to the engine ECU
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this is the temp sending unit. it sends a signal to the gauge on the instrument panel.
this is what you need to get to fix your temp gauge.
You need to replace the circuit board behind the speedometer part number MA532787 (control module) $213.38 and then take it to speedo tach repair ant have the odometer reset about $75.00
A DTC will be set if an abnormal reading occurs, P0116 for sensor performance, P0117 low input or
P0118 for a high input. The coolant temperature sensor temperature reading should closely match the
air charge/manifold temperature reading on a scan tool if the engine has not been run for over an hour.
The sensor circuit can be checked for proper voltage using a voltmeter.
Symptoms of a P0118 could include:
A code P0118 may mean that one or more of the following has happened:
The reference values given below are measured between ECM terminal 72 and ground...
When measuring input / output voltage be careful not to use ECM ground terminals. The ECM will enter fail safe mode once a malfunction is detected and the MI will light up.
Usually, P0118 is indicative of a bad temperature sensor, but doesn't
rule out these other possibilities. If you're unsure of how to diagnose a PCM,
do not attempt.
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