Subaru Forester 2014–2018 — technical service bulletin
Bulletin 11-187-18 · NHTSA communication 10153624 · issued Dec 21, 2018
Technical service bulletin
communication type
Fuel System, Gasoline
component
2014–2018
model years
5
vehicle entries
Official summary
This bulletin announces reprogramming file availability to optimize the ECM and address isolated customer concerns of hesitation on acceleration. The new logic provides enhanced ignition timing control during Exhaust Gas Recirculation (EGR) operation.
Vehicles covered
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.