Quote:
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Originally Posted by HummerLite
Gee,
40,000 miles got mine in Aug 05, Engine light came on, Checked codes found misfire cylinder 4, Replaced ignition coil.....  Fixed 2 months later engine light again ( got worried again ) Checked codes again found random misfire ( Oh no could be the big one ) Nope cleaned fuel injectors...... FIXED , Btw i'm a tech at a GM dealership..... Buick, Ponitac, And GMC.....no Hummer 
Will I have problems with the head? time will tell.
LOL |
So there is no way to know what batch has the problematic head/valves??? No way of knowing when GM caught this and corrected it? I too have an earlier 06 that I wonder about, but the service department says not to worry, unitl it happens anyway.
