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What could be the reason for the check emission system warning light being illuminated in my 2012 Honda Pilot?
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4 answers
★ Top Answer
As a driver of a 2012 Honda Pilot, if you notice the check emissions system light on your dashboard, it might be due to a faulty oxygen sensor. This can lead to issues like reduced fuel efficiency, rough idling, and problems passing emissions tests. Replacing the oxygen sensor typically costs between $21 and $40 for the part, with an additional $30 to $80 for labor if done by a professional.
More answers
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The check emission system light in a 2012 Honda Pilot indicates a problem with the oxygen sensor.
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When refueling your gas tank, it's important to follow these three key steps: Avoid overfilling the tank; once the pump nozzle stops automatically, cease filling; keep the nozzle in place and wait for about 25 seconds before removing it to finish up the refueling process.
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The gas cap isn't tightly sealed, so air is getting in and causing issues with the O2 sensor. This could also happen if you're using low-quality gas from a no-name brand. When you fill up, make sure you hear three clicks to secure the cap. To fix the problem, try buying regular gas from a higher-priced station (not Costco or discount brands), and the error should disappear after driving a few miles.
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