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Need Help! What is a p0118 code?

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Old Jun 9, 2007, 10:14 AM
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Need Help! What is a p0118 code?
I know what it means. But how do I fix it? I changed the thermostat sensor and that did not work. Any one know about how to get rid of this code?
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Old Jun 9, 2007, 11:55 AM
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you replaced the thermostat already, so try replacing the coolant sensor.
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Old Jun 9, 2007, 03:58 PM
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I also did that, no luck. The check light is still on.
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Old Jun 9, 2007, 05:22 PM
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did you try erasing the code?
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Old Jun 9, 2007, 05:46 PM
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Yea I tried but it comes back right away.
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Old Jun 9, 2007, 07:35 PM
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you sure you replaced the right coolant temp. sensor? there should be one for the ECU and there is one for the gauge.
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Old Jun 10, 2007, 01:16 PM
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I just had this problem, have you done any wiring lately? I'd check all your connections if anything is tapped into the ECU, that was my problem.
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Old Jun 10, 2007, 01:34 PM
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I will double check all I did was wire up my defi gauge.
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Old Jun 10, 2007, 05:38 PM
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Originally Posted by SidewaysEvo
I will double check all I did was wire up my defi gauge.
which defi gauge did you wire up? i would double check your wiring
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Old Jun 10, 2007, 05:52 PM
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I just wired up the control unit to the radio harness.
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Old Jun 13, 2007, 09:49 AM
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Originally Posted by KcEvil8
you sure you replaced the right coolant temp. sensor? there should be one for the ECU and there is one for the gauge.
Where is the other plug for the gauge? The only one I replaced was the one plugged into the thermostat housing.
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