Re: 99 Taurus Stalls when putting in gear

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Re: 99 Taurus Stalls when putting in gear

GMach3

28 Oct 2006 20:50

>>> 99 Taurus, 3.0L, ~78K miles.
>>>
[quoted text clipped - 13 lines]
> My THEORY is this indicates a sluggish motor as opposed to a sticky valve
> bobbin. In THAT case there's often hard starting.

Went to her work where it was dead and got more detail:

It would start and immediately die. You could restart it and give it gas to
keep it running, but let off and it would die.

I called the tow truck. The tow driver got in, turned the key and it ran
fine. Naturally. So I drove it home, stopped at the local AZ and picked up
a fuel filter, an air filter and some injector cleaner.

I'll look into the IAC valve. Thanks.

Backyard Mechanic

28 Oct 2006 19:35

>> 99 Taurus, 3.0L, ~78K miles.
>>
>> It starts and runs just fine. Put it in gear, and it stalls. Dead.
>> That's it. Put it back in park, starts up just fine.

> Does it stall if you give it a little throttle? I'm guessing that you
> have a faulty IAC valve. It's what adjusts the idle, and it's a
> common failure.
>
> CJB

Another indicator: engine RPM responds slowly to A/C clutch cycling,
drops in RPM, takes a second to recover. Same with Power Steering at lock.

My THEORY is this indicates a sluggish motor as opposed to a sticky valve
bobbin. In THAT case there's often hard starting.

Signature

Yeh, I'm a Krusty old Geezer, putting up with my 'smartass' is the price
you pay..DEAL with it!

CJB	28 Oct 2006 18:46
> 99 Taurus, 3.0L, ~78K miles. > [quoted text clipped - 9 lines] > > G Does it stall if you give it a little throttle? I'm guessing that you have a faulty IAC valve. It's what adjusts the idle, and it's a common failure. CJB

GMach3	28 Oct 2006 18:40
99 Taurus, 3.0L, ~78K miles. It starts and runs just fine. Put it in gear, and it stalls. Dead. That's it. Put it back in park, starts up just fine. I just replaced the speed sensor about 6 weeks ago, no other recent repairs. I'm good on maintenance on this vehicle. Any ideas? Thanks G

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