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  1. Cold Misfire 2005 MDX PO301 code

    First Generation MDX (2001-2006)
    Hello all, I have a 2005 MDX 157,000 miles. For last 2 months i have been trying to diagnose the source of my cylinder 1 misfire(PO301). I've noticed that when i leave the car outside over night and start it is when it misfires and sometimes the VTM-4 light comes on with it. If i shut off and...
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