Maintenance and Upkeep Discussion HHR maintenance tips ranging from oil change intervals to brake pads and everything in between.

Changing spark plugs--what interval

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Old 09-11-2014 | 12:57 AM
  #21  
whopper's Avatar
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Joined: 04-09-2006
Posts: 7,039
From: Vancouver, BC, Canada
And you don't need to unless you are having a problem. If you want to, feel free - that's up to the individual. It can't hurt, but is not a necessity.
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