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    2013 Yukon 6.2 with p0304 code

    What caused you to do yours, did you do a full delete?
  2. B

    2013 Yukon 6.2 with p0304 code

    Makes sense to me what you’re saying and what he’s showing. I may give this a shot before buying anything else. Why do the blank valley covers have orings to seal the towers and some suggest plugging as well.
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    2013 Yukon 6.2 with p0304 code

    I did not clip the gasket, if I do and oil does get in there below the vlom is it able to drain back to the oil pan? I blocked oil to the vlom because I feel like after it builds oil pressure is when the lifter collapses but the vlom plug didn’t work. Would have bet money it was a solenoid...
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    2013 Yukon 6.2 with p0304 code

    Update: So i pulled the vlom and tried the plug from cpr to block oil to the lifter. While i had the intake off, jumped the starter relay, and the valve would work first 5-6 strokes and then quit moving. I put in the plug and put it back together and still same thing, misfire in 4. I havent...
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    2013 Yukon 6.2 with p0304 code

    Yes, I do have access to a scanner. Tonight my husband checked compression on cyl 4. At first it was getting pressure, then a few cycles later it did not, then the last time it had pressure again.
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    2013 Yukon 6.2 with p0304 code

    Hello! Trying to pick your brain on my 2013 Yukon XL with 6.2L. Had the P0304 code with traction control light and stabilitrak lights come on. Engine light flashes. Got the vehicle home, restarted with no lights. Drove it 200 miles lights come back on and stayed on. Has AFM disabled with Black...

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