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GoLucky
GoLucky HalfDork
3/16/25 9:57 p.m.

Y'all are right! Needs a cover. Can't remember if my slave rod got in the way of the original, may still have it somewhere. I am also going to ask a coworker if he's willing to print me out one. Crazy that nothing has fallen in before. 
 

Today I did more throttle body mods to use the Neon TPS. This means putting the TPS on the same side as the cable cam, since that is the direction they rotate. Got out my previously used bearing bore tool jig. The shaft section is from the ATX Neon so I grew the OD from 9.5 to 10mm with tape. 
welded, cut it off and welded it back straight-er 

I made some playground equipment looking thing to mount the TPS.  

The actual mount for the sensor has captive nuts so I can weld it in place with an appropriate reading from the scan tool and changing the angle can be done by cutting the welds and repositioning the plate. Because apparently I really like messing around with throttle bodies. 


Also made a TB gasket. Previously used grey rtv, but who am I kidding, this is not the last time it goes together. 

Painted black after a fit check. Wires reach and everything. 
I measured the Neon original TPS numbers on the TB: 13.3% /79.6%.  The new mount: 13.7% /80.8%. Hopefully this will wrap up the "mod a cheap Jeep style TB" segment of the build. Or maybe it won't? I'll update as the developments occur. I did get the dash speedo calibration done. That's nice. Went for a measured mile and it stays within a close range of the same as the OBD2 gauge that I applied a tire size conversion factor to. Some hesitation, I got codes for low and high volt TPS, but that may be from all the times earlier today when I swapped sensors, rotated them and whatnot. Only other code is egr. Went ahead and cleared them and we will see what comes back with more drives. I do think the gas in the tank is a few years old too. Hopefully it can drive itself better. 

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