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Thread: mis fire solved now do I change the oil?

  1. #1
    Join Date
    Apr 2007
    Location
    Utah
    Posts
    71

    mis fire solved now do I change the oil?

    I have run something like two to three tanks of gas through my lQ4 before getting cylinders six and eight to stop misfireing. (turns out the two cylinders were miswired on my custom harness). Is this enough gas pushed through the system that I should change my oil. I put pure synthetic new when I put the engine in two to three tanks of gas ago.

    Thanks,
    1990 K2500 with Hummer Kit Body, LQ4, 4l80e 4x4

  2. #2
    Join Date
    Apr 2005
    Posts
    4,229
    I have never heard of an oil change hurting anything.

    Seems like cheap insurance on a new motor to me.
    Gone, but not forgotten!

  3. #3
    Join Date
    Dec 2004
    Location
    San Antonio, TX Area
    Posts
    1,741
    Change it, won't hurt anything.
    "ALisSa1 Silverado"
    1990 Chevrolet RCSB 2002 Chevrolet Camaro LS1/4L60E
    Scrimpin Ain't Easy
    ( . Y . )


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