Car Problem Reports

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

Toyota Highlander Problem
12 Reports
Me Too

Model Years Affected: 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010

Engines Affected: 2.4L 4 Cylinder, 3.0L V6, 3.3L V6

Average Mileage: 105,765 mi (81,000 mi - 140,795 mi)


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.

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