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sc300 with a stumble. RPM's up and down?

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Old 05-20-12 | 09:37 PM
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Default sc300 with a stumble. RPM's up and down?

It has 230,000 miles. automatic......
Ok when I start it up, it just started reving up and down so low it feels like its going to cut off.
It even does it when its warm. Do you guys have an idea of what it could me?
Thanks in advance.
Old 05-20-12 | 09:49 PM
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Fuel Pump ECU issue?
Old 05-20-12 | 09:52 PM
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on an sc that description really doesn't rule out anything...
Old 05-20-12 | 10:12 PM
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I was hopeing it was something I really minor.
Old 05-21-12 | 09:44 AM
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Probably going to need a little bit more information.
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