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Message: <blockquote data-quote="KimberlyP" data-source="post: 2269631" data-attributes="member: 244248"><p>gauge reaches normal? In the last 2 weeks, my SUV has really been cutting back and having no get up and go first thing in the morning when I leave for work.  It ONLY does it when I first leave and the temperature gauge hasn't reached normal temperature.  I first had a code for misfiring spark plugs so I had the spark plugs, wires and a fuel cleaning done.  I drove it the next morning and it still did the same thing.  Check engine light came on again and it said Warm Up Catalytic Converter Beyond Threshold Bank 1, so I was told it was the upstream O2 sensor, so I had that replaced, only to get in it in the morning and have it do the exact same thing as it has been doing.  I am not sure what to do next.  Any suggestions?  Thanks in advance!</p></blockquote><p></p>