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  1. M

    Can tune get reset by unhooking battery?

    I found that the bully dog is still working. I had a blown fuse that shut off the power to the port. I replaced the fuse and reloaded the performance tune. I still feel like the truck lacks power. It runs perfect. No issues but even pulling a small single axel trailer it feels like I have a...
  2. M

    Can tune get reset by unhooking battery?

    So what's the next step? I just replaced injectors. Low power issues started before the injectors but apparently not related. No codes. Runs perfect just low power. No other symptoms. New filters before we go there.
  3. M

    Can tune get reset by unhooking battery?

    I have a 2003 LB7 183,000. I was disappointed with power when I first bought it at 90,000 miles. A friend of mine installed a bullydog tuner on it that he removed from his truck when he sold it and set it on the "mid" power range and it made a huge difference. I know that's not the highest...
  4. M

    Brand new injectors - low power and smoke

    OK, I contacted Pensacola Diesel about the issue. I asked to speak to the GM. I explained my issue and I explained my concern that these were not OEM injectors. I had also called them PRIOR to installing because the packaging did not look like something that was OEM. I was assured they were...
  5. M

    Brand new injectors - low power and smoke

    They told me these are not their rebuilds. They said to eliminate any worries its better to buy these OEM units. I am actually going to be in Pcola next week. I plan to make a visit if I cant get this resolved. The smoke was white and seemed to diminish the farther I drove. I didn't leave...
  6. M

    Brand new injectors - low power and smoke

    Yea so I have read after I sent back my cores.
  7. M

    Brand new injectors - low power and smoke

    I just checked the codes and I do not have a light on the dash but I do have a 410 code - secondary air on the scanner
  8. M

    Brand new injectors - low power and smoke

    I purchased them from Pensacola Diesel but supposed to be the OEM injectors and not the rebuilt
  9. M

    Brand new injectors - low power and smoke

    I just replaced the injectors on my 03 LB7. I am not a diesel mechanic but I have done a lot of engine building and mechanical work. I studied every forum and tried to make sure this went well. I used OEM injectors Replaced the cups Used loctight 272 on the tips Torqued every bolt to spec...
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