Hey guys! Not too long ago I installed test pipes on my 03. Not too long after that (it started cooling off outside), I would notice that when I got in of a morning or evening and got in my car and would get on it, it would fall on it's face. It was weird because if I hold WOT, then eventually it would "kick in" so to speak and run like it should.

At first I thought that it was due to the test pipes since I've seen mixed things about them without a tune. Upon further investigation, I monitored my TPS on my way to work yesterday and noticed at WOT when it is doing this, my reading for it is only around 20%. It's like the TPS has a dead spot in it.

Is it possible that the TPS is bad, or is that potentially another issue with perhaps the electronic throttle?

When I get home from work, I'm going to hook my scanner up to it and do a relearn for the TPS and see if that changes anything.

 

Did you monitor throttle position sensor or throttle pedal position sensor

 

I was using my small handheld scanner instead of my good one, but I was monitoring the absolute throttle position, which I do believe is the TPS.

 

So I used my good scanner, and I am monitoring the TPS. The pedal tests fine. Looks like I'm going to be buying a throttle body.

 

Did the throttle body fix your issue. I have the same issue when cruising then trying to pick up speed it dips rpms for a sec then picks up. This started happening after installing berk test pipes