Originally Posted by Carcrazygts2
No because under load a exhaust leak will create a vacuum and suck fresh air making the PCM think that there is more oxygen in the system that there actually is. So the PCM adds fuel.
Ah. Thanks for explaining.
I'm actually considering having a shop fix the mani leak. I know it's just the gasket as I've seen a chunk of it hanging out when I had it up on the lift at work. I just don't want to break a bolt off in the head and screw myself. Shop rates are around 230 bucks a side.