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Discover the most common reasons behind failed emissions tests in this insightful episode of WrenchNation. From faulty oxygen sensors to leaky exhaust systems, we’ll break down the most common culprits and how they impact your vehicle’s performance and the environment. Whether you’re a seasoned gearhead or a curious car owner, tune in for practical tips to keep your ride running clean and passing with flying colors & how to navigate check engine light causing failures.
 By Frank Leutz
By Frank Leutz3.9
5151 ratings
Discover the most common reasons behind failed emissions tests in this insightful episode of WrenchNation. From faulty oxygen sensors to leaky exhaust systems, we’ll break down the most common culprits and how they impact your vehicle’s performance and the environment. Whether you’re a seasoned gearhead or a curious car owner, tune in for practical tips to keep your ride running clean and passing with flying colors & how to navigate check engine light causing failures.

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