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runge_24 -> Camshaft (6/7/2007 11:15:59 AM)
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The service engine soon light has been on in our trailblazer. I went and had it checked today and they said it was two different things. 1. the camshaft position actuator b - bank 1 malfunction what does this mean? 2. secondary air injection system malfunction. what does this mean? and are they expensive to fix? Thanks.
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