2004 Toyota Avalon Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 2004 Toyota Avalon

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2004 Toyota Avalon Problems

Misfire and/or Check Engine Light Due to Failed Ignition Coil

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.

Check Engine Light Due to Failed Oxygen Sensor

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.

 

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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2004 Toyota Avalon Recalls

Unexpected Airbag Deployment

The airbag control module can fail prematurely due to electrical noise beyond the tolerance it was designed for. As a result the front airbags, side airbags, and/or seatbelt pretensioners could deploy inadvertently while the vehicle is being operated, increasing the risk of personal injury and/or a crash. Dealers will replace the airbag control module and front and/or side impact sensors as required to correct this concern.

Air Bags And Seat Belt Pretensioners May Deploy Unexpectedly

Circuits in the supplemental restraint system may short, resulting in damage that may unintentionally deploy the front air bags and / or seat belt pretensioners. Dealers will install a noise filter between the air bag control module and the affected wiring harness free of charge to resolve the concern.

Various Issues Due to Failed Crankshaft Pulley

The amount of adhesive applied between the inner and outer parts of the crankshaft pulley may be inadequate. If this is the case, the outer ring may become misaligned and/or not properly rotate with the inner ring, causing an abnormal noise and/or illumination of the Check Engine Light. In some cases, the power steering belt could come off resulting in a loss of power steering assist, increasing the risk of a crash. Dealers will inspect the crankshaft pulley and replace it if necessary.

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2004 Toyota Avalon Reviews

Bought this one used with 114,000 miles. Have had nothing but continuous expensive repairs. Love the looks of the car, both inside and out. Love the ride and all the conveniences but hate the expense. From papers left in car, new price was $35,774. I paid $7900. Have paid out about $7500. Which means I paid over $15,000 for a car that list at 12,000.
this car is like a Camry XLE from later years...solid as can be...
Wish I could afford a new car jap junk made in non-union assembly plants. Whats with the brakes?

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