What is your PCM code?
Figure that out and I'll see what I can do.

Also if your car runs like crap below 3K rpm , check your plug wires and plugs first and then start checking on othe things like fuel injector sizing.


Former owner of '99 CSVT - Silver #222/2760 356/334 wHP/TQ at 10psi on pump gas! See My Mods '05 Volvo S40 Turbo 5 AWD with 6spd, Passion Red '06 Mazda5 Touring, 5spd,MTX, Black