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Spark Plug Replacement

2K views 6 replies 5 participants last post by  Cobalt1986 
#1 ·
At what mileage should I change my spark plugs on a 2008 Cobalt SS?
 
#2 ·
As per your owners manual schedule maintenance.
 

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#3 ·
Iridium plugs FTW!
 
#6 ·
Yes. Iridium plugs last a lot longer.
 
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