Source: Make: DIY Projects and Ideas for Makers
Utkan Şenyüz, of the Master of None YouTube channel, had a leak in his evaporative emission control system (EVAP) on his car. You can buy a leak detector for around $50 and up (there are also canned smoke options), but Utkan wanted to roll his own. He explains:
I got a Engine Check light on my 2003 Toyota Matrix, code P0440 (meaning “Evaporative Emission Control System Malfunction”). That means I have a small leak in my EVAP system. The easiest way to find this leak is usually to use a smoke machine and look for the smoke.
As usual, I wanted…
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