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Discussion Starter · #1 ·
Anyone know what the fix is for this. P2002 Diesel Particulate Filter Efficiency Below Threshold (Bank 1)
This is on a stock truck. I have been searching and cant find any answers.
 

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Discussion Starter · #3 ·
It is on a buddys truck not mine, but yes he has a cai. I got to thinking that it is just not completing the regens and the dpf is getting full, otherwise just a bunch of 5 min trips. I told him to get it out on the hwy and drive the crap out of it.I told him to clean his afe, code cleared but everytime he gets on the throttle it comes back on.

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