If you have V6 then needs a new pulsator or not... Some replacement still need this, others not and may even hate if used with a pulsator and void any warranty. 4cyl doesn't need this because is of low pressure system.
------------------ Dr. Ian Malcolm: Yeah, but your scientists were so preoccupied with whether or not they could, they didn't stop to think if they should. (Jurassic Park)
