TSB Document:

Affected Component: ENGINE AND ENGINE COOLING

Summary
TSB: Some 2012 - 2014 model year Corolla vehicles equipped with a 2ZR-FE engine (or 2014 model year 2ZR-FAE) and some 2012 - 2013 model year Matrix vehicles equipped with a 2ZR-FE engine may exhibit a MIL "ON" with DTC P219A (Bank 1 Air-Fuel Ratio Imbalance) present. Follow the Repair Procedure in this bulletin to improve this condition.

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Date Published
AUG 21, 2014
NHTSA TSB #
10109554
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