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  1. R

    Crank no start no codes

    Here is some good basic information about our trucks. Look for the section for your vintage. Maybe something will catch your interest. Chevrolet-GMC Diesel Diagnostics - Oregon Fuel Injection
  2. R

    Coolant temp sensor

    See the attachment
  3. R

    Engine Oil Cooler Kits

    That might be a real winner.
  4. R

    LB7 fuel issues

    You didn't mention P0087, but look at the attached and look at what might be causing the problem.
  5. R

    P00F6 LML issues

    There are service bulletins for newer trucks that point to chaffed wiring harnesses. My guess that yours may have a similar problem. Any blown fuses?
  6. R

    06 with 80k on it. Drop in MPG

    And clean your MAP. Also check for boost leaks.
  7. R

    Slow to turn over...

    Remember that battery cables (all circuits) have 2 connections and both of them are critical to good power.
  8. R

    Accelerator replacement

    I don't know about you but I just HATE it when people try to cheat me. Your choice as to what you do. At least it's better in some aspects vs what you already have.
  9. R

    2003 2500hd rear end shaking/vibration

    Put the rear axle up on jackstands so the tires are off the ground 2" or so. Put it in gear and go to the RPM or speed where you feel the vibration. Someone needs to observe the driveline, tires, and anything for visible signs of vibration. Be careful you don't personally get wrapped up by the...
  10. R

    Engine temp started to climb during last trip

    Try pulling in 5th gear. You will get the same mileage, but a little more power and driveability.
  11. R

    LML without MAF ?

    I would think some special handling in the tune and/or scaling of the MAF would be required. Contact the person doing the tuning for your setup.
  12. R

    14 LML questions

    Maybe something in the attachment will help you.
  13. R

    LML without MAF ?

    No. MAF is critical in providing information to the ECM that controls fueling. Why would you want to eliminate the MAF sensor?
  14. R

    Head gaskets?

    DM23 1FastBrick both mentioned replacing the water pump. If he goes there, I have a suggestion or two for him.
  15. R

    Airdog install with titan tank help

    What's the problem with the stock fuel line location inside the driver-side frame rail?
  16. R

    Head gaskets?

    Maybe change the oil pump, front cover oil seal, pressure relief o-ring
  17. R

    2015 LML P0483 Issue

    I'm glad this turned out OK. For everyone else, you might try some folded-up newspaper so that you don't lose any fingers or your hand.
  18. R

    Erratic shifting

    delete
  19. R

    2015 LML P0483 Issue

    Connector info attached. Is the speed control a PWM signal? Is this the part you replaced GM Genuine Parts 25845280 Engine Cooling Fan Module
  20. R

    Has anyone bought from Laura GMC/Volume stealerships?

    Dealerships have a way to find out which trucks are at other dealer locations if you find one to help you.
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