1998 Toyota Avalon Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 1998 Toyota Avalon

1998 Toyota Avalon Problems

Failed Emissions Test Due to Blocked EGR System

The EGR System tends to get restricted or blocked with carbon after 100,000- 125,000 miles which will cause an emissions test failure for NOX. If the EGR system is equipped with an EGR temperature sensor it will trigger a Check Engine Light for improper EGR flow. The repair is to clean out the EGR passages and the EGR Temperature sensor. Our technicians tell this repair is pretty straight forward and takes about 1-1.5 hours. It is also wise to verify the EGR system components i.e. the Transducer, EGR Valve and VSV Solenoid at this time.

Automatic Transmission May Not Shift Correctly at High Mileages

At higher mileages, (125,000-150,000) the automatic transmission may not shift correctly. This can be caused by the throttle position sensor being out of adjustment or a shift solenoid needing to be replaced. Typically the transmission does not need to be completely overhauled.

Check Engine Light Due to Failed EVAP Purge Control Valve

Intermittent failure of a purge control valve in the evaporative emission system can cause the Check Engine Light to illuminate. A failed valve should be replaced to correct this problem.

 

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1998 Toyota Avalon Recalls

Recall 98E035000
EQUIPMENT DESCRIPTION: AFTERMARKET THEFT DETERRENT SYSTEMS USED ON 1998-1998 TOYOTA RAV4, AVALON, AND SIENNA MODEL VEHICLES DISTRIBUTED BY SOUTHEAST TOYOTA DISTRIBUTORS, INC. IN THE STATES OF ALABAMA, FLORIDA, GEORGIA, NORTH AND SOUTH CAROLINA. THE ALARM WIRING HARNESS PLUGS INTO THE VEHICLE'...
Dash Warning Lights And Ventilation System Controls Fail To Operate

Various electrical components such as the ventilation system controls, the dash warning lights may fail to operate properly, and the vehicle could run poorly and stall due to an electrical issue with the wiring to an add on alarm system. Dealers will inspect the date code on the security system wiring harness and replace them as necessary free of charge to resolve the concern.

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1998 Toyota Avalon Reviews

My car is making a knocking noise increasing in loudness. If it is not the motor, what else could it be? My car has slightly over 230,000 miles.
This car now has 104k miles and it runs beautifully. All I had to do is replace the rotors, brakes, tires, which are all due to the high mileage. The mechanic tells me it will run for some time.

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