Subaru WRX and STI (VA, 2015-2021): common problems

Updated

What are the common problems with the Subaru WRX and STI (VA, 2015-2021)?

As of 2026-10-26, we list 4 known problems for this car; severity and affected years are in the table. Each problem page answers what it is, what causes it and how it is usually fixed, with sources and a last-verified date.

IssueSeverityAffected yearsConfidence
Recall 16V-162: turbocharger air intake duct can crack (2015-16 WRX)High2015-2016 (built April 10 - October 21, 2015)Reported
Recall 22V-522: backup light switch can corrode (2015-21 WRX)Medium2015-2021Reported
Recall 21V-587: low-pressure fuel pump can fail (2018-19 WRX)High2018-2019Reported
FA20DIT intake valve carbon deposits (direct injection)Low2015-2021 WRXLimited

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