TPS mod

[tnmk]

I did the TPS mod (adjustment really, i wouldn't consider it a modification)

A little different on mine from what is on the post that I read.

I didn't have to remove anything to get to the TPS. Right infront of me, just needed a right angle screwdriver.

Wire colors were different (maybe cause it's a mercury?)
gray/red stripe = ground
gray/white stripe = signal
brown/white stripe = 5v reference

Didn't bother with trying to slot the holes. just drilled 1/64" over size and it got me (barely) to the perfect .96 volts. Started at .91 volts.

I wouldn't think you'd have to go anymore than 1/32" oversize on that hole to get your adjustment.

Seems to have better throttle response. could just be psychological though.

Thanks for the tip!

 

[Lazzman]

I Tried this on my '98 Sport on Saturday. I kind of rushed through it and ended up with the numbers worse. When I started the reading was .68 after I tried to drill the holes out it was .56

I could not get the numbers to change no matter how far I moved the TPS either back for forward, the .56 did not change.

The wire on mine was the gray with a red stripe.

I held the TPS in my hand when I tried to drill it out and the holes were kind of off center. It occurs to me to do this right you should put the TPS in a Vise grip and slowly drill it out.

Is there an easier way?

 

[tnmk]

I held it in my hand too. I just used a cordless drill and ran the speed very slow.
As I said b4, I didn't try to slot them, I just went oversize by 1/64".
Personally I had no trouble at all.
If I lived in Boston I'd be more than happy to help you out, but that's kinda far for a favor.
You had black lead on the gray/red stripe and red lead on the gray/white stripe right?
And your meter was on DC volts in the right range right?
Ignition was on?

 

[Green98XLT]

If you couldn't get it to change from .56v then you have one of two things going on:

1: TPS is DEAD!

2: You had the wrong wires.