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Lead_sled

07-18-2021,
If you didn’t have codes before, try putting the old sensors on one by one to see if your light goes away. I recently did this and found that my imap sensor was bad, although new.
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Rawze.com: Rawze's ISX Technical Discussion and more > Big Truck Technical Discussion... > Ask Your question... > CM871 complete EGR tune-up now CEL 1866
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