The Best 2000 Ford Mustang Check Engine Light 2023. This dtc indicates egr monitor failed due to pcm. Web common reasons include a loose fuel cap, excess vibration, a blocked cylinder, a bad fuel mix, excessive heat and half power.
A faulty upstream oxygen (o2) sensor can cause the check engine light to come on in ford mustang. March 27, 2023 by jason. Is it a loud tick or just a moderate sound?
