Chevy and GMC Duramax Diesel Forum - Conversation Between Ron Nielson and Kdcarmack@gmail.com
Conversation Between Ron Nielson and [email protected]
Showing Visitor Messages 1 to 2 of 2
  1. Ron Nielson
    12-15-2018 02:25 PM - permalink
    Ron Nielson
    Sorry but I did not see your message until now, 12/15. Still having problems?
  2. Kdcarmack@gmail.com
    10-06-2018 08:02 PM - permalink
    [email protected]
    Been having problem for last 6 months. It does have the dpf deleted and i have a programmer for that and also have an edge programmer for fuel economy. I run it on 5 for driving around town and stock or 0 when pulling a trailer. So I drove the truck last Saturday pulling a 32í dove tail loaded with skid steer (total weight 15,000 lbs) went in limp mode 7 times in 50 miles was able to clear code with edge, and same on trip back home. Usually goes in limp mode around 50 mph under heavy loads. Truck sit over night and went out to start it and would not start. Tried pumping filter housing while cranking truck still no start. Talked to Chevy duramax mech and he said sounds like either pressure reg or injector pump was out. Ordered injector pump and installed, replaced fuel and air filters with ac delco filters and truck started. Truck feels like it has more power and more pick-up. Pulled trailer loaded with lumber and pallet of concreate and again went into limp mode around 50mph.
 
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