So i started noticing this for a while now. When I warm it up and start driving, it pulls like crazy, just like it was when brand new. But when it warms up, say after 10 minutes driving - it has no power. Specially at low end...
could this have to do with pre-cats? I have them..
HELP!!!!!!!!!!!

 

Try checking the fuel pressure, or maybe the injectors themselves?

 

My understanding is that the precats are only restrictive until the main cat is warmed up. Someone please correct me if I'm wrong.

 

and then what happenes to them, they are still in the way of exhaust gas?

I don't recall anyone replacing injectors.. I don't think its a common thing to go on our cars.. Also, how would I check them..?

 

i think its random issue now. Sometimes it pulls, sometimes it doesn't.