2 posts in Car Diagnostics blog about "WRX" — OBD-II diagnostics, DTC codes, repair. ← All posts
OBD-II diagnostics for Subaru EJ20/EJ25 boxer engines: P0301 head gasket misfires, P0420/P0430 cats, STI flat-six knock detection, AWD DCCDcodes — complete guide.
DTC codes for Subaru EJ20/EJ25 Boxer: head gasket failure P0301–P0304, WRX EJ257 P0299 underboost, AVCS P0011, FB20/FA20 GDI carbon — OBD-II Live Data without SSM Select Monitor.