threehundred Posted September 28, 2015 Share Posted September 28, 2015 alright guys, this weird thing started happening yesterday evening.... I've had the car for 2 years and the temperature gauge has NEVER gone above the half way mark regardless of driving, sitting in traffic on hot days etc. However, I was driving home yesterday evening and it suddenly started climbing and heading for the red mark, then it dropped just as quickly and stayed at half way again. Same again this morning on the way to work, drove for 5 minutes then dropped my son off, it rose quickly and got towards the top again so I turned the ignition off for a few mins then on again, temp was stable at half way. Engine doesn't feel like it's overheating, are the gauges prone to going a bit wobbly? Also, a couple of times last week, when I stopped in traffic the car wasn't idling smoothly like it usually does - it was revving from about 1.5-2k about twice a second then back to normal (sitting happily at 1k) after a few more miles of driving. Any idea if the two things are related? Thanks. Quote Link to post Share on other sites
jamesglanza Posted September 28, 2015 Share Posted September 28, 2015 (edited) Engine/coolant temp sensor, my glanza did the same thing last year.It was the green one on the back of the thermostat housing. Edited September 28, 2015 by jamesglanza Quote Link to post Share on other sites
threehundred Posted September 28, 2015 Author Share Posted September 28, 2015 Engine/coolant temp sensor, my glanza did the same thing last year.It was the green one on the back of the thermostat housing. cool, thanks very much for that. easy fix? I'm not very mechanically minded! Quote Link to post Share on other sites
patman Posted September 28, 2015 Share Posted September 28, 2015 Yes is an easy fix if it's just a case of swapping them over (socks on here may have a spare one for sale) and of course your lose abit of water/antifreeze, so top it back up afterwards 👍🏻 Quote Link to post Share on other sites
jamesglanza Posted September 28, 2015 Share Posted September 28, 2015 What 👆 that man said Quote Link to post Share on other sites
threehundred Posted September 29, 2015 Author Share Posted September 29, 2015 Nice one, thanks guys. Quote Link to post Share on other sites
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