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May 15, 2013 Service bulletin

In certain 2012-2013 Model Year Toyota Tundra and Sequoia vehicles equipped with a 5.7 liter gasoline or...

Toyota technical service bulletin LSC ECM D0E TI U for 2012-2013 Toyota Tundra and 2012-2013 Toyota Sequoia.

Bulletin number
LSC ECM D0E TI U
Component
Engine and engine cooling: exhaust system: emission control
Summary
In certain 2012-2013 Model Year Toyota Tundra and Sequoia vehicles equipped with a 5.7 liter gasoline or Flex Fuel engines, the ECM calibration may cause an emissions control component called an Air Injection Pump to fail under certain driving conditions.

Owners of these vehicles have filed 90 complaints in the engine category.

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