engine running lean

[Joeldc510]

sup ppl, i'm new to the forums..

just wanted to ask a quick question

i got a protege5, 2.0L engine
i installed an aem sri, header and exhaust..

i wanted to kno if this set up would make my car run a lil too lean on gas???
any suggestions?

[Breiland]

How many miles do you have? Mine is completely stock and running lean. I'm still trying to track down the cause. I have 84,000 miles, and from what I've seen, it looks like it's a common problem.