This video features a mechanic troubleshooting a 2017 Mazda 6 with a P0421 code. The car is experiencing shaking and vibration at idle, and the mechanic suspects a problem with the catalytic converter or oxygen sensors. The mechanic shares their process for diagnosing and fixing the issue.
27602 1 год назад 2:23The video documents a person's attempt to fix a check engine light related to a catalytic converter issue using a product called Cataclean. They add the product to their fuel tank and monitor the check engine light's behavior. The video follows their journey to a smog check station to see if the product was successful.
33076 5 лет назад 15:59