birdii
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| posted on 23/4/18 at 09:15 AM |
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Zetec Temperature Sensor
Hi,
I'm having a slight issue with my gauge temperature sensor on a silvertop zetec.
Engine has the original thermostat housing and i have the gauge sensor fitted in the 1/8NPT thread at the bottom of the housing.
My ECU sensor is in the top connection.
The gauge/dash is an Acewell. The problem is that it consistently reads 20c lower than the ecu temp, ie at normal running point ECU shows 88c and dash
shows 65-67c.
Ive checked the sensor in heated water and the temperature matches my thermometer so i feel that the issue is with the position in the thermostat
housing rather than a gauge/sensor problem but the position that i have used was originally for the purpose.
Any suggestions as to whats going wrong?
Note - im also happy that the ECU temp is correct, the engine had a new 88c thermostat so the readings match nicely.
Cheers
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Monty_CZ
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| posted on 31/10/18 at 11:33 AM |
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I have the same "issue". I think it has to do something with a thermostat, because it reads significantly lower temp until the coolant
gets hot (around 90 ° C on the ECU). When the thermostat opens it reads the correct value on dash (more than 90 ° C).
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rusty nuts
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| posted on 31/10/18 at 01:57 PM |
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From the way you've described your fault it sounds like the CTS is not on the engine side of the stat?
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Monty_CZ
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| posted on 1/11/18 at 02:46 PM |
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yeah, but in the zetec thermostat housing there are two places for temp sensor. Top is for ECU and bottom is for gauges. There is no oher place where
to put the temp sensor. Acording to ECU, temp is stable and no problems with overheating. Only on the dashboard temperature is oscillating between cca
70 and 100.
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