well i got on my car to go to work this morning everything normal but then i glanced at my ecu wich i have the carpet pulled just a littel because i did some dataloging last night . anyways i looked at it and the led was blinking a 3 and a 7 but my check engine light was was not on so i checked the bulb and its good the car drives fine what could it be?

any ideas?

 

You have a codes 3 and 7. Period. I call those codes, hidden codes. You have them. Nothing wrong with the ecu.

 

3 and 7 are map and throttle position. At one point, the ecu detected a problem with these two. It will store the codes and blink until you reset it. Even if they are not currently problematic.

 

well you do learn something new every day thank you guys