byounger Posted March 7, 2012 Share Posted March 7, 2012 I recentally had a truck in with check engine light and P2002. The truck has 77k on the clock and 5,788 engine hours. After inspecting the exhaust sytem, So I took into though that this truck idles alot, and we didn"t have any maintance history at our shop. I recomended a New DPF. They declined, but after some research I see that an Aftermarket air filter can cause this. The truck did have an newer aftermarket filter in it. do you guys have anythoughts on this. Iam a trans guy starting to work on more diesels. and feel bad that I may have chased these guys out of here over an air filter. Thanks Bryan Quote Link to comment Share on other sites More sharing options...
Brad Clayton Posted March 8, 2012 Share Posted March 8, 2012 Half the 6.4's in our area with aftermarket air filters set a P2002. Quote Link to comment Share on other sites More sharing options...
Aaron Posted March 11, 2012 Share Posted March 11, 2012 Hollow filter will set a 2002 as well. Quote Link to comment Share on other sites More sharing options...
lmorris Posted March 12, 2012 Share Posted March 12, 2012 Any filter that claims better flow will set that code. As brought up before more flow with no increase in surface area means less filtration. Bet if you check the low pressure turbo its blacker than usual. Then they plug up and the customer forgets to clean it and they start sucking in oil. Just a big waste of time and money with no foreseeable gains. Quote Link to comment Share on other sites More sharing options...
byounger Posted March 12, 2012 Author Share Posted March 12, 2012 Thanks for the replies guy's need to remeber this for next time. Quote Link to comment Share on other sites More sharing options...
Keith Browning Posted March 13, 2012 Share Posted March 13, 2012 I recall the 6.0L having a similar problem with certain "high flow" air filters that would create a disturbance in the the air flowing through/past the MAF sensor causing inaccurate readings. Thinking this is the same. Quote Link to comment Share on other sites More sharing options...
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