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Old 08-14-2008, 01:17 PM   #1
Cocoa Beach Bum
Scooby Specialist
Member#: 17355
Join Date: Apr 2002
Default 2008 STI Recalled for ECU Reflash - WVE-15

I noticed this at

Engine Control Module (ECM) Reprogramming

Service Program Bulletin#WVE-15
Pages: 5

Bulletin Description:
Subaru of America, Inc. (SOA) has determined that vehicles affected by this Service Program require ECM reprogramming. Under certain harsh driving patterns, specifically when repeatedly or continuously operating the engine above the "red-line" (RPM above 6,700), abnormal combustion could occur resulting in serious internal engine damage in the form of broken piston ring lands. This abnormal combustion condition is the result of an "over lean" fuel mixture caused by a combination of fuel cut activation and high turbo boost. To prevent this condition from occurring, Subaru has developed a modification to the Engine Control Module software logic that will improve combustion management above "red-line" engine speed. This revised logic will not adversely affect peak vehicle performance.
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