H&S Mini Maxx EGT reading going haywire - Ford Powerstroke Diesel Forum
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Old 06-14-2012, 11:18 AM
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H&S Mini Maxx EGT reading going haywire

Trucks in sig, I have a mini maxx and I have noticed lately when i jump on the pedal everyonce in a while (not everytime), the EGT reading will start to climb them drop down to 350 then go back up, then drop down to 120 and go all kinds of sparadic. Has anyone seen this before?
I know im not on the latest update, havent updated in a few months but I have not seen this before.
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Old 06-14-2012, 11:19 AM
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Thats strange. I have not seen mine do that before. I will keep an eye out tho
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Old 06-14-2012, 03:24 PM
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Not for me.
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Old 06-14-2012, 03:53 PM
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Maybe the probe is going bad? I haven't noticed any jumps.
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Old 06-14-2012, 04:11 PM
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betting on a dying temp sensor
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Old 06-14-2012, 04:24 PM
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Hmm...I wonder how much those run amd where to get em beside the factory
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Old 06-14-2012, 06:59 PM
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it is usually a standard K type thermocouple, check out allied electric,

Allied Electronics

Search results for "thermocouple" - Allied Electronics
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Old 06-14-2012, 07:02 PM
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Ford does not use type K
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Old 06-14-2012, 07:58 PM
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Hell I believe it's the same one as in the dpf, unscrew one of them and use it.
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Old 06-15-2012, 04:16 AM
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my guess

i would guess its your mini maxx....if it were true thermo probs i would think the pcm would throw a wrench lite......temps on even an idling motor never read 120*.
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