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Old 10-21-2007, 08:33 PM   #1
Scooby Newbie
Member#: 137945
Join Date: Jan 2007
Chapter/Region: SCIC
Location: Azusa, California
2002 WRX ShgnWgn

Default System too lean, Cylinder 4 misfire and knocking sound...

I was driving out in the desert this morning and after about a half hour the check engine light went on. The codes were for a system too lean, and cylinder 4 misfire...and there's a knocking sound now from the bay...the car's driving just a little underpar...nothing extreme ...any ideas what the knocking sound may be and if its being caused by the misfire or lean? safe to drive?
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