Question about 2003 Pontiac Vibe

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On extremely cold mornings my Vibe engine will chug while I'm stopped. Once the engine warms up the chugging goes away. It's not the O2 sensor as this has already been replaced. Check engine code P0171 It also gurgles during take off acceleration. Could these two issues be tied together?

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You need to have the Engine Coolant Temperature switch checked,since the computer relies solely on sensors,the ect tells the computer how cold or hot it is so the computer will make it a rich or lean mixture to start the engine,if it tells the computer that it is 75 degrees the computer will lean the mixture like starting a car in the winter without a choke.

Posted on Feb 07, 2010

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