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27 Posts
This is completely random and has nothing to do with this forum, but I have a 2002 chevy tahoe z71, and when the vehicle is idling it shakes quite noticeably especially at Red lights and such.. I had the spark plugs and wires changed with ac delco. Before the plugs and wires were changed the engine did not shake. I'm wondering if the mechanic that did it cross threaded the aluminum heads and one of the cylinders in misfiring? Anyway, I'm wondering if there is like a $20-$30 obd 2 scanner that can read stored codes. Btw the check engine light is not on.
