How To: Smoke test an EVAP leak (code P0442) in a 2002 Jeep Liberty

Smoke test an EVAP leak (code P0442) in a 2002 Jeep Liberty

How to Smoke test an EVAP leak (code P0442) in a 2002 Jeep Liberty

After running a diagnostics test on a 2002 Jeep Liberty, if you get the code P0442, that means you have an Evaporative Emission Control System (EVAP) leak detected, which is just a small leak, but a leak nonetheless. This video will show you how to smoke test the EVAP leak to find the problem spot inside the vehicle.

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