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RecallGazette

Vehicle problems, recalls & safety intelligence

Mazda CX-3 2012–2018technical service bulletin

Bulletin MT-021-17 · NHTSA communication 10129368 · issued Dec 5, 2017

Technical service bulletin
communication type
Engine
component
2012–2018
model years
27
vehicle entries

Official summary

Some vehicles may experience the Check Engine Light ON with DTC P0171 (Fuel Trim too Lean) and possibly DTCs P030X (Misfire). Vehicles having this concern should use the following Inspection/Repair procedure.

What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.