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Re: 2006 chevy express 6.0 codes
for future note, the flashing Check Engine Light means the engine is misfiring badly...which it would do when a plug wire is off.
if it's a dead hole miss like that, the CEL will flash. If it's intermittent or random misfires...the computer will store the P0300 code and after enough of them the CEL will get set steady on.
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71 C10 long bed, 2003 6.0L, 06GTO E40, T56, 12bolt 4.10 rear
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