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Impreza issues
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Old 04 Jul 2008, 05:56 PM   #1 (permalink)
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Impreza issues

Hi--

I've got a 2002 Impreza Outback Sport. I live in Tucson, and when the outside temp is >105, the car starts hesitating and bucking, whether the AC is on or off. My mechanic replaced the throttle sensor, which greatly improved the previously gimpy AC but didn't seem to do much for the bucking problem. (It may have helped it a bit a the lower end of the temp range, which makes the whole thing even more confusing.)

Anybody have any experience with this problem? My mechanic's good but we're all at a loss.
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Old 04 Jul 2008, 07:32 PM   #2 (permalink)
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Could be your front 02 sensor is dying. Some thing to try if you havn't already: Clean your MAF (Mass Air Flow Temperature Sensor)
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Old 04 Jul 2008, 07:45 PM   #3 (permalink)
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Thanks! I'll check it out.
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