Cetane Posted October 14, 2008 Share Posted October 14, 2008 You may want to check out the Banks website and see exactly what they have available for the 6.4. Maybe the previous owner drilled a hole somewhere not easily visible. Also are you able to smoke/pressure check the intake and exhaust to see if there are any leaks. Boost pressure loss will make it smoky and an exhaust leak will trigger the dpf leak strategy which will increase regen frequency. Finally is there any evidence of a crimped downpipe or post-dpf restriction? I know 2.5psi doesnt sound like a lot but under the right conditions it will trigger a regen. Quote Link to comment Share on other sites More sharing options...
GregKneupper Posted October 14, 2008 Author Share Posted October 14, 2008 The intake and exhaust has been smoke tested. I cannot find any leaks. The exhaust is all stock and air intake is all stock. There is no evidence of any kind of exhaust restriction. I am starting to think that this is just the way this truck is or there is a calibration issue with it. Quote Link to comment Share on other sites More sharing options...
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