where is the speedometer gear!!! - Page 2 - JeepForum.com
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post #16 of 22 Old 09-21-2009, 06:45 PM Thread Starter
wjchristine
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my temp gauge doesn't say it is not over heating at all when its idling or when im driving?

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post #17 of 22 Old 09-22-2009, 06:52 AM
rm2001wj
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That code indicates that the engine computer (PCM) thinks the signal voltage from the engine coolant temp (ETC) sensor is too high. That sensor going bad is not common, but the fix is to replace the sensor. If you want to do it yourself, the attached diagram could help you locate it. The MAP sensor is on the front of the intake manifold below and between the alternator and AC compressor. The ECT sensor is a little below the MAP sensor. The diagram is a little confusing because the alternator and AC compressor have been deleted for clarity.
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post #18 of 22 Old 09-22-2009, 02:20 PM Thread Starter
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do i need to to replace both sensors
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post #19 of 22 Old 09-22-2009, 04:09 PM
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Just the ECT sensor. I mentioned the MAP only to help locate the ECT, because it will be a little easier to see the MAP when the compressor and alternator are in their normal positions.
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post #20 of 22 Old 09-22-2009, 04:20 PM Thread Starter
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ok i will do that and get back to you.
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post #21 of 22 Old 09-26-2009, 10:52 AM Thread Starter
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thank goodness. i fixed the coolent issue. thank you for you help.
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post #22 of 22 Old 09-26-2009, 04:19 PM
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