2002 Toyota Highlander Repair and Maintenance
A guide to problems, costs, maintenance and repair for your 2002 Toyota Highlander
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2002 Toyota Highlander ProblemsCheck Engine Light Due to Failed EVAP Purge Control Valve
The Check Engine Light may illuminate because a component of the oxygen sensor stops working. As a result the engine computer is unable to determine the proper ratio of air to fuel for the engine. Replacing the failed oxygen sensor should correct this concern.
On higher mileage vehicles, an engine misfire may develop and/or the Check Engine Light may illuminate due to a failed ignition coil. It is not uncommon to replace all the coils when the first one fails in order to prevent return trips to the repair shop.
2002 Toyota Highlander QuestionsBattery replacement (1 answer)
Which terminal should l disconnect first?
Check engine light came on. Purge valve for a 4 cylinder car was ordered and placed inside a 6 cylinder car. Will problems occur or not since the wrong purge valve was installed?