2000 Ford Focus Poor Performance

2000 FORD FOCUS
149,000 MILES • 4 CYL • FWD • AUTOMATIC
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BRONZEMOUSE2003
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Driving in hill areas of PA, NY and CT - problems occur intermittently
Issues:
1. When using Cruise Control, car fails to downshift. This occurs on extended uphill runs where the vehicle will just slow down or at bottom of hill after a downhill run where engine will race.
2. Engine races when additional power is requested on hills or accelerating for lane change in traffic. There is no acceleration - actually more like car has popped into neutral. If you take your foot off the gas, the car will begin to accelerate slowly.

Not sure if I'm looking at a fuel delivery or transmission issue.

Any comment would be appreciated.
Apr 22, 2010 at 9:47 AM
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JACOBANDNICKOLAS
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If the engine revs, the fuel system sounds fine. This deals with the transmission. First, is the trans fluid full and clean? Also, has the check engine light come on?

Let me know.
Joe
May 10, 2010 at 1:43 PM
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BRONZEMOUSE2003
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Actually, had transmission fluid changed and filter cleaned in January. No check engine light issues.
Jun 2, 2010 at 8:56 PM
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JACOBANDNICKOLAS
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Based on your description, it sounds like the transmission is slipping. If the check engine light didn't come on, then chances are the TCM and sensors are working correctly. That leaves us with the possibility of clutches that are bad causing a slip. If that is the case, it will need a basic overhaul.

Let me know if you have other questions or more information to add.

Joe
Jun 3, 2010 at 10:45 AM