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Old 12-18-2014, 12:29 PM   #1
finnpoulsen
 
Drives: yaris 2sz-fe
Join Date: May 2009
Location: Denmark
Posts: 7
Engine warning light..please help

The engine yellow/orange warning light in the dashboard on my 2005 1.3 2sz-fe went on today :-(
The car felt normal so I continued driving home. I tried to fasten the gas cap and I also disconnected the negative terminal on the battery to see if the warning light did a reset. It didn't :-(...I noticed that the radiator fan started when I turned the ignition to on (without starting), so i let the engine cool off and gave it another try.The same thing happened, the radiator fan began spinning. It turned off and on with an interval go about a minute, even though the engine was cold. I have a had a minor leak around the water pump for some time, but has not been a problem and I always kept the coolant reservoir full...
Any ideas?
Thanks
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Old 12-19-2014, 08:39 AM   #2
tmontague
 
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Drives: '08 2zr swapped Vios M/T
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Location: Caledonia Ont.
Posts: 2,938
first, find out what the code is. Second, get your WP fixed. The code may be something as simple as a sensor gone bad
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Old 12-20-2014, 01:22 PM   #3
finnpoulsen
 
Drives: yaris 2sz-fe
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Thanks..let's hope it's a broken sensor


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Old 12-20-2014, 09:54 PM   #4
colj00
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Drives: yaris 1.5 MT
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i believe that your coolant temp sensor has gone bad, its designed in a way that the fan would be on 100% of the time if the sensor failed, instead of 0%.
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Old 12-21-2014, 06:16 PM   #5
finnpoulsen
 
Drives: yaris 2sz-fe
Join Date: May 2009
Location: Denmark
Posts: 7
Thanks...do you know where the coolant temp sensor is located?
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