2008 Scion tC Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 2008 Scion tC

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2008 Scion tC Problems

Check Engine Light Due to Defective VVT-i Controller

An illuminated Check Engine Light could be caused by a defective VVT-i controller, which changes cam timing for optimal power.  Updated parts are available and the repair may be covered under the powertrain warranty.

CEL - Error Code 420: Catalytic Converter

Check Engine Light Illuminated
Problem: Diagnostic Showed Error Code 420: "Catalytic Converter Efficiency Below Threshold (Bank 1)
Solution: Free Replacement by Dealer Under California 7yr/70k or Federal 8yr/80k Warranty Covering Emissions Parts

Excessive Oil Consumption

Drivers of the Scion tC may notice excessive oil consumption between oil changes, even to the extent of the engine oil warning light displayed on the multi-function display.

This issue is known to be caused by infrequent oil changes causing engine sludge, or worn piston rings. 

The engine should be cleaned of oil sludge, and if oil consumption remains excessive, the engine may need new piston rings, or other internal components replaced. 

To avoid this issue, change the engine oil and filter every 3,000 miles, and ensure the proper grade of oil is used. 

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2008 Scion tC Recalls

Load Carrying Modification Label Missing

These vehicle were sold without the required load carrying captivity modification label. Dealers will mail the corrected label to vehicle owners. Owners have the option of requesting that the dealer install the label. This recall is expected to begin on May 27, 2010.

Southeast Toyota Recalls 2005–2011 Vehicles Due to Incorrect Tire Labels

Southeast Toyota is recalling 2005–2011 models for failing to comply with federal safety standards on tire selection and rims. Affected models were sold without the proper load-carrying capacity modification labels, which may cause the driver to overload the vehicle, increasing the chance of a crash. Dealers will mail the correct labels to the customer or install the label free of charge.

Load Carrying Capacity Modification Labels Are Missing

The load carrying capacity modification label may be missing from the vehicle. This information provides maximum load carrying weights as well as information about required tires and wheels. If not present, an inappropriate load may be carried in the vehicle, increasing a safety risk. Toyota has supplied customers with a new label to affix to the vehicle. This recall began on August 18, 2009.

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