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  1. Mechanical Problems & Technical Chat
    Ok so I got my son a 2008 si it had 190k on it and ever sense he has had it he has been using unleaded instead of premium gas. The car is now at 194k and running weird he says. Will changing the gas type and spark plugs help? How do I know someone else didn’t do the same thing before I bought...
  2. Mechanical Problems & Technical Chat
    This may be a lot to read but thank you to everyone who takes the time to actually read it!! Hello everyone, I’m new here and I’m aware there’s dozens of other threads with similar issues however I have found none that answer my question specifically. I have a 2007 Civic EX W/ NAV & Premium...
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