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Edmission failed

my 2003 Honda Civic Lx failed inspection because of Carbon Monoxide 1.29% and Hydrocarbon 533.64ppm is there something that I can buy ? what should i do

Is the “check engine” light on?

High carbon monoxide and unburned hydrocarbon levels are incomplete combustion of the gasoline. Causes can range from the need for a long overdue tuneup to a sensor gone bad to a leaky injector.

Start by seeing if any codes are stored. Post back with the results.