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Old 11-24-2014, 10:12 AM   #2 (permalink)
Baltothewolf
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Join Date: Nov 2013
Location: Apple Valley
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Winsight - '00 Honda Insight
90 day: 56.69 mpg (US)

Miaderp - '95 Mazda Miata
90 day: 28.53 mpg (US)
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I know you probably did but, did you use anti-seize on the spark plugs and torque them to proper spec? Because if one wiggled loose it would allow compression to blow past the spark plug, but wouldn't throw a CEL.
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