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Coolant Sensor Issue

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#11
byebye2u

Posted 15 June 2011 - 01:42 AM

byebye2u

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QUOTE (r3xt0n @ Jun 14 2011, 11:09 PM) <{POST_SNAPBACK}>
Worth to check it out if it is a loose connection because it did recover on its own after awhile and usually occurring several more times continuously before disappearing for some time again. Never noticed about the electric fan, but like you said, it happen usually at cold weather, in the morning/night or cold surrounding like in Cameron Highland.



I have the coolant sensor with me but never change it yet, the last time it happen about 6 weeks ago. I always let check light disappear before start the engine, and set aircond at least 20.

#12
r3xt0n

Posted 15 June 2011 - 09:02 AM

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QUOTE (byebye2u @ Jun 15 2011, 01:42 AM) <{POST_SNAPBACK}>
I have the coolant sensor with me but never change it yet, the last time it happen about 6 weeks ago. I always let check light disappear before start the engine, and set aircond at least 20.


I did not have to restart the engine, it comes and go on its own. Aircon and temperature gauge return back to normal. Must hunt this issue down, though it is not causing much trouble.

#13
blit

Posted 15 June 2011 - 01:58 PM

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For me, after I changed the coolant sensor, the issue came back only one time so far... not as often as it used to be.... I changed in March or April.

Before the sensor change... it will intermittently happen when its raining heavily and driving fast on highway... now no more in the same exact conditions... so sensor does fix it up to a point.


#14
r3xt0n

Posted 15 June 2011 - 04:25 PM

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QUOTE (r3xt0n @ Jun 15 2011, 09:02 AM) <{POST_SNAPBACK}>
I did not have to restart the engine, it comes and go on its own. Aircon and temperature gauge return back to normal. Must hunt this issue down, though it is not causing much trouble.


My workshop confirmed that I have not replaced my coolant sensor, how could I remember wrongly. The boss also confirm chances of loose connection is unlikely because the catch locked the sensor together.

#15
byebye2u

Posted 15 June 2011 - 07:51 PM

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QUOTE (r3xt0n @ Jun 15 2011, 04:25 PM) <{POST_SNAPBACK}>
My workshop confirmed that I have not replaced my coolant sensor, how could I remember wrongly. The boss also confirm chances of loose connection is unlikely because the catch locked the sensor together.



funny huh.....or each rexton have hantu...hahaha smile_clown.gif

#16
rex4585

Posted 15 June 2011 - 10:52 PM

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QUOTE (byebye2u @ Jun 15 2011, 07:51 PM) <{POST_SNAPBACK}>
funny huh.....or each rexton have hantu...hahaha smile_clown.gif

Could it be inadequate grounding? In my case I had ground wire added coollant sensor changed but still get the problem. Only disappear after I change the VFC. Maybe the loud roar of the engine caused by the old jammed VFC woke up the hantu!

#17
video2u

Posted 16 June 2011 - 12:38 PM

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QUOTE (rex4585 @ Jun 15 2011, 10:52 PM) <{POST_SNAPBACK}>
Could it be inadequate grounding? In my case I had ground wire added coollant sensor changed but still get the problem. Only disappear after I change the VFC. Maybe the loud roar of the engine caused by the old jammed VFC woke up the hantu!


after changing the sensor, my observation is after running for about 15minutes with a/c, the temperature increases until a point (almost hit half marker) where ECU shut it down to 0. after slow driving for few minutes with a/c off, the temperature meter is ON again but this time the meter lower than where it was earlier. haiyaa.. i assume it relates to engine temperature or got hantu inside.. still need to test more by using better coolant.

#18
razopower

Posted 16 June 2011 - 01:34 PM

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QUOTE (video2u @ Jun 16 2011, 12:38 PM) <{POST_SNAPBACK}>
after changing the sensor, my observation is after running for about 15minutes with a/c, the temperature increases until a point (almost hit half marker) where ECU shut it down to 0. after slow driving for few minutes with a/c off, the temperature meter is ON again but this time the meter lower than where it was earlier. haiyaa.. i assume it relates to engine temperature or got hantu inside.. still need to test more by using better coolant.



Can it be thermostat issues ? I presume this may be another wear and tear item which requires to be replace after its shelf life.

Need to consult our technical sifus on this to shed some light for us. If simple to replace then can group buy again.

Cheers.

#19
r3xt0n

Posted 16 June 2011 - 01:55 PM

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QUOTE (razopower @ Jun 16 2011, 01:34 PM) <{POST_SNAPBACK}>
Can it be thermostat issues ? I presume this may be another wear and tear item which requires to be replace after its shelf life.

Need to consult our technical sifus on this to shed some light for us. If simple to replace then can group buy again.

Cheers.


Check it out with panel workshop the next time you visit there. If there is time, I wanted to check mine too.

#20
rex4585

Posted 16 June 2011 - 02:10 PM

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QUOTE (video2u @ Jun 16 2011, 12:38 PM) <{POST_SNAPBACK}>
after changing the sensor, my observation is after running for about 15minutes with a/c, the temperature increases until a point (almost hit half marker) where ECU shut it down to 0. after slow driving for few minutes with a/c off, the temperature meter is ON again but this time the meter lower than where it was earlier. haiyaa.. i assume it relates to engine temperature or got hantu inside.. still need to test more by using better coolant.

Is your normal temperature nearer the half mark or the quarter at idle with aircon on? If nearer the quarter mark and engine roar when pickup then need new VFC