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I am getting these codes on a 2000 Ford Explorer. Symptoms...idles horribly, I smell gas coming thru the exhaust and my mileage is down around 10 miles/gallon.
My only thought is the O2 sensor before the Cat Converter. Does anyone lese have any thoughts on what else I could check?
I know this is an old post. When mine was doing this it turned out to be a cracked vacuum line running from the intake hose to the base of the throttle body.
Linear Mode
