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#help allison allison 1000 bad injectors banks battery biodiesel brakes check engine light chevrolet silverado 2500 chevy codes coolant coolant leak cp3 cp4 crank no start def deleted denali diesel diesel fuel diode dynamics dpf dpf delete drivetrain dtc error codes duramax duramax 2500hd duramax 6.6 ecm edge efi efi live egr egr delete electrical electrical problems engine engine smokes exhaust for sale fuel fuel additives discussion fuel filter fuel mileage fuel system problems gmc head gasket help injector injector advice injectors intake knock knocking l5p lb7 lbz leak leaking led pods lift lift pump limp mode lly lly duramax lly durmax lml lml duramax lmm lmm duramax no start noise oil oil pressure p0087 p0700 ppe reduced power rims smoke steering suspension tcm tires tow towing transfer case transmision transmission transmission problems tune tuner tuning turbo wheels white smoke will not start wiring
  1. 11-16 LML Duramax Powertrain
    The other day, my truck threw a code for a bad NOx sensor #1. Triggered the "Service Exhaust Fluid System..." Countdown to limp mode warning on the dash as well. Cleared the codes, but the one for the sensor came right back immediately. Typical.... Ended up replacing the sensor for a nice...
    def exhaust fluid limp mode nox sensor
  2. 11-16 LML Duramax Powertrain
    My 2013 3500HD has the dreaded "Exhaust Fluid Quality Poor" message and the DEF light. Since I already had it, I replaced the downstream NOX sensor. I replaced the upstream NOX sensor a year ago. I cleared the P20EE and P2BAD codes and drove the truck about 20 miles to make sure it's up to...
    def exhaust fluid
  3. 11-16 LML Duramax Powertrain
    My DEF system never did read how much DEF I actually had in the tank. Hopefully got it fixed today and I did learn a few new things that GM sent out to the mechanics very recently. This could be stuff you already know, but I doesn't hurt to try to give some facts. The new GM suggestion for...
    2011 def exhaust fluid
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