i have a 2006 lq4 swap i put a btw stage 2 cam and 36 lbs injectors
when i drive the car it will run well be give it some throttle and its like a flat stop dies out then comes on full throttle. what could be the problem

 

Was it tuned for the cam and different injectors?

 

I did a mail order tune I think that might be the oroblem

 

Does TPS read 0%?

I had issues with idling that ended up being a mechanical issue. The first issue was that my TCS module was hanging up. Fixed.that then found a faulty TPS that I'd replaced. I had to put seemingly excessive force to the TPS to push the new cheap **** aftermarket sensor onto the TB shaft that the whole assembly had pressure on it from the right side (sensor side) and was causing the blade to hang up. I lightly tapped on the left hand side of the linkage with a hammer and it's all good now.
Good luck.
Beau

 

lsxchevelle67 hasn't been here since Sept 2017

 

Damn, must have scrolled down in a related thread :/