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Old 03-10-2012, 10:37 PM   #1
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Default Grand Am problems

A friend of mine has a 90 something Grand Am. It idles ok but when put in gear it barely runs. Floor it to get 30 mph. I heard something about some kind of air flow sensor. Any ideas? This guy really needs help. he just moved here, broke looking for a job. Thanks yall.
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Old 03-11-2012, 08:59 AM   #2
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any check engine light? tap the cat see if it rattles or gets hot when running?
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Old 03-11-2012, 10:19 AM   #3
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No lights. He has removed the cat
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Old 03-11-2012, 03:15 PM   #4
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Sounds like a MAP sensor problem. (All Grand Ams I looked up had MAP sensors.)

Here a video to help test the MAP sensor.

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