i would replace the tps the pcm is working correctly as far as voltage

DougW wrote:

> reigelser did pass the time by typing:
> > Hi,
> > I did the proposed alignment procedure and I cleaned all contacts with a
> > special contact cleaner. Nothing changed. I can not reset the error. The
> > voltages are 5.1V constant supply ground to pin 1. Then the voltage between
> > Pin1 and 2 is between 1.1V (fully closed) and 4.2V fully open. Between the
> > pin 2 and ground the voltage is 3.9V fully closed and 1.1V fully open. I
> > measured the resistance of the common ground of the Map, the TPS and the
> > Crankshaft sensor and its good.
> > I guess I am running out of options, since I also cleaned the throttle body
> > with carburator cleaner prior to putting it into the car.
> > Does anybody have another idea? The thought to get a new ECU for 450$
> > without knowing if it fixes it is not funny.
> > Thanks again
>
> As much as I don't like throwing parts at a problem you might
> want to try the MAP sensor before the ECU. When it comes to paying
> out $450 it's also a good idea just to take it into a dealership
> and have them do a full diagnostic on the engine.
>
> I've gone through two MAP sensors and the symptoms are usually
> some stubling along with a gutless acceleration except when the
> gas is floored or when the engine is running in warmup-mode.
>
> Just for grins, check the O2 sensor lead as it goes up the front
> of the block and make sure it's not melted or abraided. This
> can cause headaches to the ECU.
>
> --
> DougW