Code 14- Coolant Sensor 1995 D-90 - Defender Source
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Old September 11th, 2010, 10:14 AM
JPerkins
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James Perkins
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Code 14- Coolant Sensor 1995 D-90

My 95 D-90 has a code 14-Coolant Sensor. I have looked up the code and this is what it says:
Code 14- Coolant sensor
Usually indicates a bad fuel injection coolant sensor. May also indicate a bad engine thermostat or a stuck viscous fan clutch. Refer to test 14, continuity test procedure.

Any help anyone could give me on how to fix this problem would be greatly appreciated.

Thanks
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Old September 11th, 2010, 10:47 AM
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Hans Haase
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Does the temp look good in the dashboard gauge (uses a different sensor), if you're not overheating and the temp shows ok on the gauge, then you just need to replace the coolant sensor for the CPU.

It's toward the front of the intake manifold, behind the alternator, and threads into the intake from the top-down.

-Hans
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Old September 12th, 2010, 08:16 AM
JPerkins
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James Perkins
1995 Defender 90
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Thanks for your advice. I will order a new replacement sensor. Thankfully I am not having any overheating problems. I did have the engine loose power several times when it was extremely hot outside. The RPM's dropped to 200 and the engine just sputtered. The next morning it started up and ran like nothing was wrong. It did not trigger the Check Engine light until a couple of weeks later. I hope this is all related.

Thanks again.

Jim
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Old September 13th, 2010, 11:48 AM
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Sounds like the temp sensor to me.

If you have a stuck open thermostat, the temp guage will not stay at the proper temp which will throw the temp sensor code. That is the easist way to tell between the two issues.
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