jim beam <spamvortex@bad.example.net> wrote in
news:xPqdnRKW25XOVCnYnZ2dnUVZ_qarnZ2d@speakeasy.ne t:

> dex3703 wrote:
>> Hi all,
>>
>> Thanks for the responses. Yes, it is a code 7. I read elsewhere on
>> the group that this code is generally reliable.
>>
>> The problem has been over the last couple months, with the code set
>> last week. I presume this would explain the bogging, dropping revs
>> and seeming to konk out. It especially happens (when it does) when
>> I'm at whatever speed I want, and then let off the gas. The problem
>> is intermittent but does seem to be getting generally worse.
>>
>> I guess I'll tackle this next weekend then. Should I expect weird
>> failures like this going forward?
>
> the sensor has a carbon track that wears in the place where you most
> commonly put the throttle while driving. if you disassemble the
> sensor, you can see it. easiest solution is to replace the whole
> sensor.

Best solution,maybe not the "easiest"...

> you can "repair" the sensor by splaying the brush so it
> contacts a wider track inside, but it's a lot of effort.

I suggest trying a electronic contact cleaner/lube spray.(lightly)
The TPS is nothing more than a potentiometer.

>
> bottom line, replace and enjoy. symptoms are exactly as you describe.
> once replaced, you'll be back to normal like nothing ever happened.

--
Jim Yanik
jyanik
at
kua.net