Fuel Knock / Injector issues??
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3rd Gear
Joined: Oct 2020
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Fuel Knock / Injector issues??
I have a 2017 6.7 with about 70k on it, recently I had a CEL come on and along with it sounded like a pretty good fuel knock. The code was P2B1B, Cylinder 6 Injection Pulse Offset Exceeded Learning Limit. I proceeded to diag the issue and it seemed like the number 6 injector was indeed faulty. Replaced injector and reprogrammed it and the codes went away as well as the rough idle/ fuel knock. A few days later it’s now throwing code P2b19 which is the same code but for number 5 cylinder. I don’t think the injector is bad but I don’t know what to do at this point. Truck is tuned and deleted. Any input would be great!
Fleet Mechanic
Joined: Mar 2021
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3rd Gear
Joined: Oct 2020
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There was a TSB
https://static.nhtsa.gov/odi/tsbs/20...38509-9999.pdf
https://static.nhtsa.gov/odi/tsbs/20...38509-9999.pdf
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