car hesitates over 3000 rpms and exhaust note changes

2000 MERCURY COUGAR
140,000 MILES
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FRANKIE DURATEC
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  • 1 POST
Problem the car hesitates after 3000 rpms, when shut off problem comes back after minutes off driving.
Dec 1, 2011 at 5:35 AM
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RIVERMIKERAT
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Have it scanned for codes and let us know what codes are found. It could be a plugged catalytic converter.
Dec 1, 2011 at 5:42 AM