So I was cruising on the highway at around 60MPH in Cruise control (fifth gear) and suddenly my Check Engine Light came on (CEL does not blink at me). I didn't notice loss of power, no noises, car idles fine, no knocks, no smells, starts up from both cold and warm just fine, cruise control still works and I have boost, so where's the problem?!?!
I've done my fair share of research on the inter-webs and found that on older gen (late 80's - 90's) Subaru's, you can plug these two green wires (Self Diagnostic wires) together, unplug the memory wires and the CEL will actually flash the code on start up. (Slow blinks = 10 and Fast blinks = 1) So I'm not sure how it is with '02 and up models, but I tried this on my 2004 Subaru WRX and the CEL just kept blinking at me, like 2 blinks per second (After replugging the memory and unplugging the green wires, the CEL stopped blinking). There were know apparent codes being flashed at me, so what seemed to work on old scoobies, does in fact, not work for the newer gen scoobies. Unless I'm doing something wrong.
So any thoughts on what this may be? I've found a lot about misfires on with these cars, especially with the 3rd cylinder, but I think I'd know if my car was misfiring no?
Here's a video on what I'm referring to with older gen scoobies and their self diagnostic CEL blinking thing
All help is appreciated!