I recently installed a Granatelli Motorsports "Shark" Upper Intake Plenum, and now my idle hangs at around 2100 RPM. I replace the PCV hose, as well as a new gasket for the IAC. Does anyone have any other hints as to why the RPMs rev to 2100 by itself?? It is definitely a vacuum leak, I just can't trace it down. Any help would be appreicated.
By the way, it is a '98 GT 4.6L 2V with K&N Cold air intake.
Thanks
eggmass
By the way, it is a '98 GT 4.6L 2V with K&N Cold air intake.
Thanks
eggmass