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fuel pump or opti?

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Old 07-23-2003, 07:38 PM
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fuel pump or opti?
ok if i get on my car when i hit abotu 4700 rpms it starts stumbling like im pegging the rev limmiter. it does this from abotu 4700-when i shift. i was wondering if you guys think this might be a fuel pump or opti or something else. what do you think. and btw i got a 97 m6 ta with 65000 miles
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Old 07-23-2003, 07:49 PM
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I had the same problem it only happend in 3rd gear and above gears changed my spark plugs problem fixed.
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Old 07-23-2003, 08:21 PM
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about 6 months ago i had a problem at 2500 rpms but then i changed my plugs wires and coil and it seemed to move up to above 4500
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Old 07-24-2003, 09:36 AM
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could it be my coil. i jsut replaced it but could it already be dead
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Old 07-24-2003, 04:52 PM
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ttt for night crew
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