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Old 11-29-2012, 07:26 PM   #1
bill2
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Join Date: Mar 2011
Location: Fort Smith, Arkansas
Posts: 13
Rear view mirror ambient air temp sensor

I just bought an 04 2500 with a cracked inside rearview mirror. Picked up another at the junkyard and unplugged mine to test the new one is compatable. I left the yard without plugging it back in since I was about to swap it out. The truck went into limp mode I think. Display said reduced engine power and I can verify that is 100 percent correct. I got to the parts store, had them read the code and it showed knock sensor, tps/throttle sensor. At this point I asked if the mirror could have any effect since the problem occured after unplugging mirror. The guys said yeah there's an ambient air temp sensor in there. This mirror has no temp display, but maybe they're onto something since connecting the mirror fixed the problem. I had them clear the code and all is well. I don't know if this is legit. What do you guys think?
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