#10573, "RE: 02 meter and cat-back question?" In response to In response to 4
Fuel curve won't be affected by test pipe. The first o2 sensor is the one that reports rich/lean spots. The REAR o2 sensor is for emissions ONLY and really does nothing but trigger a CE light if it thinks the cat isn't working correctly.
__________________________________________________________ -Tony <--- NOT asian. '06 Wicked White EVO IX
Originally posted by Avenger When I raise the BS flag ... it's a really big fucking flag and I raise it really fucking high too.
"Never whistle while your pissing." ~The illuminatus Trilogy
