Can you post the other emmisions numbers? I'm curious to see how lean they look. A bad o2 sensor could do it so could an intake vacuum leak.

A couple of basic tests might help. Do you have a vacuum gauge to get the idle vacuum with?

Kevin

Last edited by Kevin C; 08/24/09 06:24 PM.
87 Turbo Intercooled Raider, roller cam, torsen rear diff, LSD front diff, lockup auto with modified converter, V6 brakes, low transfer case gears...