HEST light on too often...
05-19-2016, (Subject: HEST light on too often... ) 
Post: #16
RE: HEST light on too often...
How old is the doc and dpf? What happens after time is the doc doesn't work as well anymore and these problems will happen. Also your motor may not be running great and causing this problem. Undo the exhaust pipe right before the dpf and snap the throttle and have someone watch for smoke. If it smokes that dpf will never stay clean.
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Messages In This Thread
RE: HEST light on too often... - Unilevers - 05-16-2016,
RE: HEST light on too often... - Unilevers - 05-16-2016,
RE: HEST light on too often... - gearhead - 05-19-2016
RE: HEST light on too often... - Unilevers - 06-27-2016,
RE: HEST light on too often... - Unilevers - 06-27-2016,



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