The most common sign of an evap system problem is a “check engine” light Other signs include a strong gasoline odor coming from the car and/or failed smog tests The best way to test for evap system leaks is with a smoke machine This device pumps harmless smoke into the evap system and allows you to see exactly where the leak is coming from. Find all 6 ways to detect an evap leak, discover how long you can safely drive with one, and learn what an evap leak is in your vehicle's emissions system. Depending on where the leak is in the system and whether or not there is another damage, you can expect to pay up to $600 or so to fix a leak in your vehicle’s evap system.
A comprehensive guide on identifying and fixing evap leaks the evaporative emission control (evap) system is responsible for collecting the excess fuel vapors from your fuel lines and then sending them to engine to be burned off safely
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