Possible limp mode?

[Black_griffin6]

Hey guys,
I just installed a port and polished throttle body on my yaris to go on my blitz supercharger.
I started it up this morning, worked okay until I stopped at a stop sign and it wouldn't go anywhere. I press the gas, nothing happens, and i'm getting a CEL.
The only way I can fix it is to turn off the car and then turn it back on, then the throttle works for a brief moment until I slow down or go around 2k RPM's again.

Not sure what the code is, I was getting a rich condition CEL before but I think this is different.
Any idea why it's doing this? I'm thinking I should switch it back to the old TB.

[CTScott]

Sounds like the throttle position sensor may be bad on the new TB. You really need to read the code though, as anything else is just speculation.

[Black_griffin6]

Sounds like the throttle position sensor may be bad on the new TB. You really need to read the code though, as anything else is just speculation.
Yeah, I do need to.
Unfortunately it happened on my way to work to catch the bus, and I didn't have time to fool with it much. I'll see what I can come up with. It shouldn't be bad though as it's a brand new throttle body.

[CTScott]

Yeah, I do need to.
Unfortunately it happened on my way to work to catch the bus, and I didn't have time to fool with it much. I'll see what I can come up with. It shouldn't be bad though as it's a brand new throttle body.

Maybe it didn't fare well through the port and polish.

[Black_griffin6]

That's possible. I'll probably have to swap it out tonight.

[Black_griffin6]

Swapped it back to stock, works great now.
Must be the position sensor.

[tooter]

Swapped it back to stock, works great now.
Must be the position sensor.

Try a "chip swap". :smile:
If your stock chip works, simply put it on the new throttle body. The rivets drill out easily, and small 8-32 nuts and bolts do the job. (throttle body on the right has a bolted on chip)

http://i17.photobucket.com/albums/b90/compost_bin/car/IMG_6630_zpsba837ffe.jpg



Greg