Thread: Weird trans slipping...

Ok so when I accelerate from a dead stop or roll say about less than 15 mph and floor it the transmission does not seem like it wants to shift it will hit the redline 1-3 times then shift. It only does it in 1st and when it is in D. If I go %90 throttle it shift just fine no shaking or anything. I do have tap shift and when i manually shift from 1st to 2nd and WOT it is just fine no matter where I shift in the gear. I am also currently in the process of installing a nitrous system in my car and right now the only thing I have messed with is the Throttle position wire and the wire seems to be fine but I will 2x check it in the morning. Fluid is perfect pink and full. Any thoughts? Electrical? bad clutch? Should I drop the pan and see? Oh also the rebuilt trans has 11k on it.

Thanks Guys!

throttle position will definately effect shifting. Is this new or has this been occuring for a while?

This is new bill :/

I'd think it's something you dinked with if it's out of the blue since you dinked

Problem exists between seat and steering wheel.

Originally Posted by BillBoost37

Problem exists between seat and steering wheel.

Best quote! haha I'm going to save that one, never heard it! haha I will take a look with a ohm meter and see if the wire is all good

Here is a video I made, I am getting weird voltages. From what I have read it should be between 0 and 4 but its constantly above 8. ProblemWOT - YouTube

anyone have any thoughts? I'll mess with it today

Voyages don't play into your issue you should the pedal position at wot no more than 88% at idle it can be around 4-15% with out touching the pedal. Also remember that your tb system has 2 tps references , make sure your tapping the right wire. Also there 0-5 volts iirc. Check the tb swap I did if you need the wiring schematic.


Edit: your original problem IMO lays in your tune. Talk to Lew see what he can do for you.

Alright, wires are good. There are 2 TPS wires , I did use your schematic when I originally did this . The green wire is the other TPS and its reversed voltages. I have no codes at all, none for the engine none for the trans :bang: