On Fri, 15 May 2015 13:29:55 -0700, The Real Bev
> wrote:

>On 04/21/2015 04:20 PM, The Real Bev wrote:
>> On 04/21/2015 03:18 PM, Bill Vanek wrote:
>>> On Tue, 21 Apr 2015 14:37:57 -0700, The Real Bev
>>> > wrote:
>>>
>>>>Two data points:
>>>>
>>>>(1) On the freeway, at roughly 55 mph, I gunned the engine. Passenger
>>>>reported it went up to 3K before I backed off, at which point it dropped
>>>>normally. Just a test...
>>>>
>>>>(2) Leaving a parking lot, with my foot on the brake, the involuntary
>>>>acceleration started. I immediately shifted to neutral and watched the
>>>>rpm rise to 2700 before I tapped the accelerator, bringing it back to
>>>>normal.
>>>
>>> 2700 is about the limit of the ISC motor. The contact switches in
>>> those can go bad, and cause that (it doesn't know it's in contact with
>>> the throttle lever), or the ECM. I would think that if it was the ECM,
>>> it would happen more often, but the tap test might help, too.
>>
>> *I* backed off; the rpm was still rising in both cases.
>>
>>> Regarding the ISC, the plunger is spring loaded, and you can feel the
>>> contact switch with slight pressure - it will move very slightly in
>>> and out. That switch could be bad, but another cause is weak throttle
>>> return springs that can't push the plunger in enough to close the
>>> contacts, or a sticking throttle. In fact, either of those two
>>> problems can cause what might feel like unintended acceleration.
>>
>> Not "feel like." IS!
>>
>>> If this happens again, you can always put it in park, open the hood,
>>> and look to see if the ISC is fully extended, holding the throttle
>>> open. If it is, push the plunger in, and if it retracts then, it's
>>> almost for sure a bad ISC motor, unless you can see that the throttle
>>> lever is clearly not pushing against that plunger. If that's the case,
>>> it's either the springs, or a binding throttle shaft, or throttle
>>> plates.
>>
>> ...for extremely rare values of 'always'.
>>
>> Next week I go back to the mech with a lot of questions...
>
>The bad news, which was ameliorated before by replacing the return
>spring with a heavier one: bad bushings in the throttle body, allowing
>sticking, slop, etc. No replacement possible, unless maybe from a
>wreck. The AC is shot, along with the shocks. The front tires are 12
>years old. The headliner is held up with long ball-headed pins to keep
>it from flapping. The driver-side window will only go down 6" or so.
>Lots of plastic bits are just broken.
>
>I truly wish my mom had asked us before buying this POS. A "luxury" car
>with 85,000 miles on the clock should NOT need this much crap in
>addition to the crap it's already demanded.


For $8K you can buy a nice one owner one.... Always garaged...
http://classiccars.com/listings/view...innesota-55302