Originally posted by gearhead98:
did they use new gaskets when they installed the headers?? a leak near the o2 sensor can through off the A/F reading
and since you are checking the UIM gaskets go ahead and clean that baby up, like others said it makes a difference, and when you look at it on the inside, you will see why it makes a difference
If you cannot get the Berryman's B12(IIRC) in a can to pour in to the UIM to clean it, grab some Valvoline Throttle Body Cleaner - that stuff's just as good; just melts that black goop away like it's sugar! 
2000 SVT Turbo 295hp/269ftlb@12psi
#1 for Bendix Brakes Kits!
Knuckles rebuilt w/new bearings $55
AUSSIE ENDLINKS $70
Gutted pre-cats $80/set
A lack of planning on your part does not constitute an emergency on mine!
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