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Your evaporative emission control system is both part of your fuel system and your engine control system. It's purpose is to prevent gasoline vapors escaping into the atmosphere. It does this by capturing them from the top of your fuel tank and storing them in a charcoal canister. Your vehicle will then pull the vapors through lines into the engine. The engine uses these vapors to supplement the fuel used by your engine.


When your check engine light comes on for a EVAP code that means that anyone of the components in this system which include multiple valves or lines could have an issue. The way to know which of these components is the issue is to preform a smoke test. This will show which component is leaking and causing your check engine light.


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Happy Adventures,

Heather


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By jhautoinc February 28, 2026
A little maintenance can prevent a big problem
By jhautoinc February 25, 2026
That growling noise is something to watch for.
By jhautoinc February 20, 2026
They can cause a lot of damage
By jhautoinc February 17, 2026
That streaking can lead to bigger problems
By jhautoinc February 12, 2026
That light is important.
By jhautoinc February 3, 2026
You want this to work properly.
By jhautoinc January 30, 2026
These are vital to keep you safe on the road.
By jhautoinc January 27, 2026
Your engine will thank you.
By jhautoinc January 23, 2026
They help keep your engine cool.
By jhautoinc January 20, 2026
They need maintenance to keep them running.