Recent content by TexasTahoe2025

  1. T

    2009 Tahoe 5.3 2X4 Cylinder #4 not firing. Low compression.

    Thank you for your input. I'll try the wd 40 idea.
  2. T

    2009 Tahoe 5.3 2X4 Cylinder #4 not firing. Low compression.

    Thanks for the replies! We tried two different gauges. I have seen putting marvel mystery fluid and leave it over night.
  3. T

    2009 Tahoe 5.3 2X4 Cylinder #4 not firing. Low compression.

    2009 Tahoe LT 2X4 I am getting the P0304 error code. I have a DOD ODB2 chip. Took intake off the intake and valve covers and the rockers are working on that #4 cylinder were moving. So I do not think it’s the DOD issue.. The #4 injector was bad and the spark plug (intake was dry as a bone)...
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