Question about Chevrolet Equinox

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2008 equinox is throwing the p0118 code. The car says the engine is hot and turn a/c off. Although the temp gauge is all the way down at 0 temp. This problem is intermittent and will sometimes" fix" itself after minutes of driving or resetting the computer.

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Replace engine coolant temperature sensor

Posted on Sep 27, 2010

  • dfluken Sep 27, 2010

    Where is the location of the engine coolant temp sensor? Can't seem to find it.

  • cheap repair Sep 27, 2010

    this should be covered under the emission control waranty

    I don't know the location of the part but ususally near where the top radiator hose enters the engine.



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Trouble codes p0118 temperature po118

code p0118 refers to engine coolant temperature (ETC) sensor ---circuit malfunction===causes---coolant thermostat---wiring open circuit/short to positive---wiring short to ground---ground wire defective---ECT sensor.. The temp gauge works off a temperature sender unit separate to the coolant sensor and if it is reading 100 then it indicates an overheat situation in the engine . Probably why the engine light is coming on. As the thermostat is in the list of causes I would replace it as a precaution. The coolant sensor is what tells the CPU to turn on the electric fans to cool the radiator

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You maybe low on coolant. Also have the computer codes checked. Many auto supply places do this for free.

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Coolant level full? Rad fan operational? Possible defective thermostat. Worse case plugged rad or head gasket

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I have a 98 cevy astro that i replaced the engine coolant temp sensor and i cleared the code after i started the van and ran it for a bit the code (p0118 engine coolant temp circuit high input ) came back ...

Hello! After you changed the sensor did you also replace the coolant? If so, It is necessary to bleed air from the cooling system or The ECM will set code P0118...If not check the connector wires...Black and Yellow for corrosion and/or broken/loose connections...See resistance to temperature chart...When engine is cold resistance of the CTS is high...when hot resistance is low...This will tell you if the sensor is working properly.............Guru...........Saailer

deg F deg C resistance (ohms) 210 100 185 160 70 450 100 38 1,800 70 20 3,400 40 4 7,500 20 -7 13,500 0 -18 25,000 -40 -40 100,000+

Oct 20, 2010 | Cars & Trucks

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Code P0118 on Audi A4 - Related to Ignition Coil Problem?

Hi, the sensor on the engine (right at the rear end of the cylinder head) has two separate outputs. One drives the temperature gauge and the other provides data for the engine control unit. The output for the engine control unit is almost certainly faulty and the sensor will need to be replaced. It isn't an expensive item and's not time consuming to replace (1/2 hr) - so you could ask Audi to do it for you when they replace the ignition coils.
Hope that helps Matt..

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