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  1. 911 Problems Forum
    So my 2009 LTZ duramax is going in and out of limp mode every other day, only one code for fuel rail pressure on the right side, and i noticed on live data cylinders 2, 6, and eight had zero fuel pressure at all times. so i figured it cant be injectors because all three at once would be weird...
  2. 04.5-05 LLY Duramax Powertrain
    I've got a good one so the silverado 05 2500hd duromax won't run with the ficm bolts connected to bracket however when I remove the bolts it runs but it's in limp home mode where it won't go over 40 or 50 miles an hour and cuts out under acceleration. When I push on the ficm unit while the truck...
  3. 04.5-05 LLY Duramax Powertrain
    Okay I got a good one ,when my ficm module is bolted down in the bracket truck will not run. When I unbolted the three bolts and remove them it runs but it will only go 40-50 miles an hour and it cuts out under acceleration and load,Also when I press on the ficm with engine running it dies...
1-3 of 3 Results