2003 Toyota Highlander Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 2003 Toyota Highlander

2003 Toyota Highlander Problems

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.

A problematic center airbag sensor can cause the airbag malfunction light to illuminate.

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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2003 Toyota Highlander Questions

The dealer said it was oil around the plugs, they changed the valve cover gasket and plugs with no improvement. I have tried different coils on that cylinder with no change, When checking the coil with an in line spark checker, and the engine running, the missfire coincides with the indication of...

I have replaced the lamps...still don't work....which fuse suports the pasenger side brake lights?

I was having P0171 & P0174 codes for Air/fuel to lean. Saw where Mass Airflow sensor is normal cause. Changed the Sensor now I am getting P0172 & P0175 codes for air/fuel to rich and car is not idling very well and will cut off randomly. What is the next thing to check for these codes?

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2003 Toyota Highlander Recalls

CERTAIN SPORT UTILITY VEHICLES HAVE A CHILD PROTECTION LOCK (CPL) SYSTEM ON BOTH OF THE REAR SIDE DOORS. WHEN AN OPERATOR OF THE VEHICLE CLOSES THE DOOR VERY HARD WITH THE CPL LEVER SET TO THE LOCK POSITION, THERE IS A POSSIBILITY THAT THE LEVER MAY CONTACT THE BODY PANEL, CAUSING THE CPL LEVER ...

Toyota has recalled certain 2003 4Runner and Highlander trucks because the lug nuts used for upgraded alloy wheels are not suitable for the spare tire and wheel. If the existing lugs are used, the spare tire may loosen and come off. Dealers will provide owners with newly designed lug nuts, a warning label for the spare wheel, and an owner's manual addendum.

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2003 Toyota Highlander Reviews

Sweet ride, reliable. Handles well, regardless of weather. Only has 56,000 miles on it but it looks and acts nearly brand new!

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