2005 honda pilot fuel system information
Keeping the air–fuel mixture near the stoichometric ratio of 14.7:1 (for gasoline engines) allows the catalytic converter to operate at maximum efficiency.
Curious why you care what specific ratio is, none of my business you asked a question..... but one of the most, if not the most important things is making sure your 02 sensor is working properly
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#3Patrick Jay RReputation540