1996 Mercury Cougar unknown

1996 MERCURY COUGAR
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TINK52278
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1996 Mercury Cougar 6 cyl Automatic

when you start the engine it shakes bad till you place into gear but it dont stop compleatly. then when you give it gas it shakes but when you get to a higher speed it calms down a little then starts back up when you let off the gas and use the break i have lost total over all performance what could be the problem?
Jun 3, 2010 at 6:56 AM
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JACOBANDNICKOLAS
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Has the check engine light come on. Have you checked fuel pump pressure?
Jun 9, 2010 at 6:51 PM