2003 Mercury Mountaineer Today Started Lose Pulling Power Hills Driving 55 Press

2003 MERCURY MOUNTAINEER
188,000 MILES
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Today it started to lose pulling power up hills I can be driving at 55 press the gas hard and it doesn't gain speed the rpms go up a lil it sound like its run as hard as it can when I press the gas but it doesn't gain the speed
Mar 4, 2013 at 11:58 PM
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ASEMASTER6371
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have the cat converter back pressure checked, it may be clogged.

Roy
Mar 5, 2013 at 12:11 AM
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