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Old 05-19-2025, 12:41 PM   #1
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help derated in WY

WE are stuck on side of I 80 in WY. mechnice cant find def sensor and repairing it here is going to be a bear need deff simulator to get to place to do proper repair. any sugestion as cant do a build here.
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Old 05-19-2025, 12:47 PM   #2
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cause

Quote:
Originally Posted by skyexplorer View Post
WE are stuck on side of I 80 in WY. mechnice cant find def sensor and repairing it here is going to be a bear need deff simulator to get to place to do proper repair. any sugestion as cant do a build here.
Fill deisel and def in Tonapa and all lights lit up thought it would clear itself as I had over filled def tank as shut off nozel didnt shut off. drained some out to give it some head space but lights staded on. drove 60 miles to camp heading north nothing out there. next day derated to 75 percent and headed for elko. got to 80 and total derate. called mobile mechanice. and they still looking for def sensor. looked at getting it out and may need magor work to get tank out. not the place to do it.
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Old 05-19-2025, 03:04 PM   #3
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Old 05-19-2025, 05:20 PM   #4
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after talking to Tiffin. they wouldn't give me their vendors part number only theirs and the part being 2 weeks out I ordered a simulator. will be back on the road Thursday and fix it at home when we get back. Kieth was a savior.
yes the Ki electronics was my next move.
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Old 05-19-2025, 05:39 PM   #5
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OK one more question for the forum. anyone knows the part number for the def sensor on a 2017 Allegro bus 37 AP with ISL9 on a power glide chassis. I'm sure I can get one cheaper than Tiffin's price.
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Old 05-21-2025, 04:29 AM   #6
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If your derate is speed limit 5mph, you can try unplugging vehicle speed sensor.
Sometimes that helps.
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