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  1. K

    AFM system on 5.3L

    I wanted to know what will happen if i disable AFM on 5.3 L using a tuner. What will be the diffference. Will it affect the Engine Oil Pressure, Spring Lifters ....etc Any Ideas From the engineering point of VIew.
  2. K

    help, 2011 yukon won't start

    Check for trouble codes . It seems to be a communication problem within the computers . Dtc will bring you much closer .then you can know which module is malfunctioning:sorrysign:
  3. K

    Engine code P0449

    Bravoooo. It was the last thing to come in my mind.. Well done. Btw i just tuned a vehicle with this same code a couple of hours ago...
  4. K

    Engine code P0449

    You mean there is continuity. So is there any ground present at the circuit . DO you have a tech 2. If you have a tech2 then check if the vent clicks Check For a Short To ground. the White one. Might be shorted. If Circuit is Ok Then I am afraid that it might be the ECM. Do you have...
  5. K

    Engine code P0449

    P0449- Evap Vent Solenoid Control Circuit Red/White Is the Power B+ Wht is the Ground from the ECM C1 Black Connector At the PCM --Pin 61 White Check for a direct continuity. And Let me know what happens.
  6. K

    5.3L Starting Issue

    DId you replace the Fuel Pump With the same part number.Is the Fuel pump Original. If the fuel pump is not original it will work perfectly for a few days. And then the same problem starts over again. I have replaced many Fuel Pumps of Tahoe and yukon ranging from 2007 to 2012. Have you...
  7. K

    2008 GMC Yukon Denali XL - Stalling at highway speed - SCARY

    without codes, the dealers will be help less. there are many reasons for car being shut off . May be a bad fuel pump or a crankshaft position sensor . did the car start immediately after towing or they did something. its really wierd. next time if the car turns off and will not start then check...
  8. K

    2008 GMC Yukon Denali XL - Stalling at highway speed - SCARY

    Any response from dealer. keep posting
  9. K

    2008 GMC Yukon Denali XL - Stalling at highway speed - SCARY

    hey there, you have given a great description about the hockey players but not about the car :P . Does the engine cranks. Did you diagnose it for any dtc. i will be waiting for your answer.
  10. K

    DIC lights no longer turning on?

    Well, the problem is the instrument cluster . I had seen many instrument panels going bad. But one of my friend took the instrument panel to an electronic Hardware shop. They just reattached the IC and it began to work.
  11. K

    Desperate Idle Problem

    why dont you try to swap the injectors.It might be the injector that has gone bad.
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