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spark plugs ignition

  1. Problems and Troubleshooting
    My Insight 2001 averaged 60-65 in the city, now it is down to 58 pretty much all the time. I miss the extra mpgs... I am starting with replacing the spark plugs, it has been awhile since they have been replaced. I took the cover off to get to the coils and verify the A/B... marks before I buy a...
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