Check Engine Light Due to Hose Off of Air Filter Housing on Toyota Highlander Hybrid

When changing the air filter, it is easy to knock off a hose on the air filter housing, which is part of the emission control system. If the vehicle is driven with this hose disconnected, the Check Engine Light will illuminate.

RepairPal Verified
Average mileage: 160,000 (129,000–191,000)
Engine affected: 3.3L V6
5 model years affected: 2006, 2007, 2008, 2009, more2010
7 people reported this problem
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