Service Engine Light - High Pitch When Engine rev'd
 

Hi guys....

I'm searching the forums for similar problems but figured I'd post just in case.

I drove my car today and the Service Engine light stays on, start listening and notice a high pitch that only happens when I'm driving / reving engine.
Not easy to locate because I have no one around to step on the gas when I'm listening with the hood open.

I remember there was a way to check codes and computer software by turning the key a certain way. How do I check the code, and I'd also like to see if my software is up to date while I'm at it.

Thanks for any help.
:)
T

2004 Cooper S / No mods.

Cant help you with the codes. Autozone will read them for you if you want though.

The whistling is probably air going past the throttle plate, normal.