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

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 : 105,765 (81,000–140,795)
EnginesAffected: = affected_variants_list(car_problem_description)
8 Years Affected: 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010
12 people reported this problem
3 people shared problem details
2003 Toyota Highlander- 3.0L V6140,795
Check engine light & VSC light come on together every time my air filter is changed. Hose comes off. Put hose on and disconnect battery to get the check engine lights to go off.
1 person likes thisFlag inappropiate
2003 Toyota Highlander- 2.4L 4 Cylinder95,500
oil change place knocked hose off air filter housing...check engine light went off a few weeks after I fixed it.
1 person likes thisFlag inappropiate
2007 Toyota Highlander- 3.3L V6
Main freg light to turn off
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