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Old 06-18-2007, 10:00   #1 (permalink)
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confused 97 Taurus Transmission???

160K miles,

When accelerating from stop, it seems to lurch forward or shift hard from 1st to 2nd.

When this happens, then I know the next problem will occur...Normally the car runs at about 2.5k to 3k RPM when driving at freeway speeds, but lately runs up to 4k RPM, as if it is in drive rather than overdrive. Am I going to ruin something if I continue to drive it until I can get it repaired?

I'm told the transmission was replaced in the last few months, so I'm not sure if it's really related to the transmission or not...Is there some electrical device or sensor that needs to be replaced? or some other mechanical component?
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Old 06-18-2007, 10:35   #2 (permalink)
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Re: 97 Taurus Transmission???

Additional...I was told one possible source could be the torque converter (if this is the problem, where is it, and is it something I could do fairly easily myself)?

I also found a brief thread about a Throttle Position Sensor ??? Is that really related to this problem?

Any other ideas?
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Old 06-18-2007, 11:16   #3 (permalink)
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Re: 97 Taurus Transmission???

Sounds like the torque converter to me. Either way, the trans will need to be removed.
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Old 06-19-2007, 09:31   #4 (permalink)
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Re: 97 Taurus Transmission???

Are you getting a check engine light or is the OD light flashing?
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Old 06-19-2007, 09:35   #5 (permalink)
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Re: 97 Taurus Transmission???

No check engine light or OD light whatsoever...which doesn't help me. The car runs fine first thing in the morning...but the forward lurch seems to happen when there are a lot of stop/starts (stop lights, etc), and the high RPM's when I've been on the road for a while (I would guess about 35-45 minutes or so), so I'm thinking there's got to be something related to heat.
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Old 06-19-2007, 09:43   #6 (permalink)
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Re: 97 Taurus Transmission???

The Taurus has a junk torque converter and they need additional cooling. If the system is stock then I would change fluid every 15k miles if using regular fluid, 30k on synthetic.
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