Question about 2005 Chevrolet Colorado
I just bought new plugs for my Colorado. I put them in and it started idling rough *Note - There wasn't a problem/rough idle with the old ones .. but its time to replace them*. So, I put the old plugs back in, and it was still idling rough and then the check engine light came on. Anyone have any advice on what the problem might be? Thanks in advance!
Sounds like you got two wires mixed up. Check your firing order. If not that, then you dropped a spark plug and flattened the gap. If it's a V6 the firing order is 165432. If it's an 8, it's 18726543.
Posted on Feb 24, 2009
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Posted on Jan 02, 2017
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