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I recently went to emissions testing in Tennessee and my Focus failed it. They stated it was because the monitors were not ready: Catalyst, Evaporative system, Oxygen sensor, and Heated oxygen sensor. I do not have any check engine lights on currently. I do have a SCT Unleashed tune since a 3" Cobb downpipe and exhaust was installed.
Have others had the same issue after flashing a tune to their ST? If I flash it back to stock, how long until the sensors will be "ready"? How am I able to view the readiness of my sensors before I go back to the emissions test? Will a SCT tuner tell me?
Thanks in advance.
Have others had the same issue after flashing a tune to their ST? If I flash it back to stock, how long until the sensors will be "ready"? How am I able to view the readiness of my sensors before I go back to the emissions test? Will a SCT tuner tell me?
Thanks in advance.