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TrailblazerSS
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6 Posts
Discussion Starter #1
My check engine light flashes when you hit the throttle but the OBDII scanner will not show a code. I changed the plugs and wires and ran normal for half the day without check engine light flashing. Then the light came back on and my SS runs sluggish. HELP PLEASE!!!
 

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TrailblazerSS
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2,864 Posts
Stop driving it. Usually mean there is a major misfire that will result in ruining the cats.
 
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