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

Problem overview

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.

64 people reported this problem

26 comments

Schedule Repair

Toyota Highlander vehicles with this problem

Average mileage: 170,990 miles

(17,000 - 1,570,000)

Repairs related to this problem

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