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Ford Taurus | Mercury Sable | Ford Taurus SHO | 1986-2007 Forum for discussion of the Ford Taurus, Mercury Sable and Ford Taurus SHO. Covers vehicle years: 1986-2007

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post #1 of 2 (permalink) Old 10-20-10, 03:12 PM Thread Starter
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Odd symptom

My daughter drives a 1989 Sable sedan. It has a very odd behavior (according to my daughter, I personally have not had this happen while I drive it). She stops at an intersection and when she puts her foot on the gas the engine revs, but the car does not go. She shuts it off, restarts it and all is well again.

My local shop has diagnosed a clogged catalytic converter and they claim this is the cause of the problem. It doesn't make sense to me so I'm hoping maybe one of the members here can shed some light on this.

I'm pretty good with cars, but this one really baffles me.


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post #2 of 2 (permalink) Old 10-20-10, 07:40 PM
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Re: Odd symptom

If the cat is OEM (never been replaced), you'll generally notice a rotten egg smell (sometimes) or a power loss at all speeds, as well as increased gas mileage.

Make sure the transmission fluid level is fine first before taking it anywhere. Once fluid gets low, the transmission will be slow to engage a gear, or if the trans is VERY low, it won't engage a gear at all, it'll sit there and rev.

Oh, if you're careful you can take a rubber mallet to the cat converter as well and tap it gently. If you hear anything shaking or rattling around, it's shot.

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