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July 26, 2018 Service bulletin

Toyota has received reports in which customers have indicated that there is an illumination of the check...

Toyota technical service bulletin ZHA_Toyota POL18 for 2012 Toyota Tacoma.

Bulletin number
ZHA_Toyota POL18
Component
Engine and engine cooling
Summary
Warranty Bulletin: Toyota has received reports in which customers have indicated that there is an illumination of the check engine light (Malfunction Indicator Light). This condition can be due to moisture/water in the Air Injection Pumps and/or Air Switching Valves.

Owners of these vehicles have filed 124 complaints in the engine category.

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