call this a crazy problem but i have been fighting with this 2000 2.2L for about a week now i have tuned it up and changed the fuel filter and fuel pressure regulator. car cranks when it wants to but if i put my foot on the gas it will run but a minute ago i was cleaning my idel control valve and intake i accidentally knocked off the vaccum line to the fuel pressure regulator and the car runs just as smooth and cranks and runs every time. could this be possible to run with no vac to the regulator?and will this cause me to have any future problems. thanks for any input.

 

what kind of car is it, a 2.2, is it a cavy/GM product?

 

its a cavalier

 

http://www.j-body.org/forums/

ask the ricers i have no clue