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Which coolant temp sensor?


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My coolant temp sensor went out, it is reading 233 degrees on my torque app on my phone. I have read that the coolant temp sensor has something to do with air/fuel ratio. Right now the car will not start, it wasnts to but just wont.

 

My question is which one tells the ECU temp? Is it the one under the intake mani behind the alternator?

 

Thanks,

Kyle

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ects for the ECU

 

http://i249.photobucket.com/albums/gg240/johnceggleston/wt5056-1.jpg

 

for the gauge.

 

http://i249.photobucket.com/albums/gg240/johnceggleston/d1858d.jpg

 

http://i249.photobucket.com/albums/gg240/johnceggleston/366494903601.png

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  • 2 years later...
Question, could a coolant temp sensor that's not working, throw off the idle on a cold starting vehicle. My 05 LGT has a goofy idle that causes the car to drop rpm's so low that it feels like it's going to die, then jump up and back and forth. We've tried to tune it out by richening up the idle but it's still showing troubles, any ideas . . .please?
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I'll keep an eye on my air/fuel gauge next time i start it up cold and see what it's doing.

It does have STI injectors not sure if that would cause any issues and I dont think it would as it's been tuned to run with them.

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