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Jeep Wrangler JK
JK General Discussion
Red Lightning Bolt/Engine light, no heat on gage
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<blockquote data-quote="Brelksj" data-source="post: 444350" data-attributes="member: 22730"><p>have a 2008 Rubicon Unlimited, 108,000 miles.</p><p></p><p>While driving last night, out of no where, the red lightning bolt and check engine light came on (code unknown). I also lost all indications of temperature, the needle dropped below the "C". I also seemed to lose some heat in the cabin. Also, when I got off of the highway and was stopped at the light, the fan was running and would not turn off. There was no indication of engine performance change.</p><p></p><p>Background: This weekend I changed out the radiator, both hoses, and the thermostat. It ran fine on Sunday, Monday, and the first part of Tuesday. Could this be the throttle body sensor? When I was changing the thermostat and I unhooked the sensor, one of the hold back clips on one of the sides broke. It still had the clip on the one side, so it seemed to hold the sensor in place.</p><p></p><p>Thoughts?</p></blockquote><p></p>
[QUOTE="Brelksj, post: 444350, member: 22730"] have a 2008 Rubicon Unlimited, 108,000 miles. While driving last night, out of no where, the red lightning bolt and check engine light came on (code unknown). I also lost all indications of temperature, the needle dropped below the "C". I also seemed to lose some heat in the cabin. Also, when I got off of the highway and was stopped at the light, the fan was running and would not turn off. There was no indication of engine performance change. Background: This weekend I changed out the radiator, both hoses, and the thermostat. It ran fine on Sunday, Monday, and the first part of Tuesday. Could this be the throttle body sensor? When I was changing the thermostat and I unhooked the sensor, one of the hold back clips on one of the sides broke. It still had the clip on the one side, so it seemed to hold the sensor in place. Thoughts? [/QUOTE]
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Jeep Wrangler JK
JK General Discussion
Red Lightning Bolt/Engine light, no heat on gage
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