With the TPS, if they are the original screws make sure to pull off the TB and size the bit/screwdriver to the screws accordingly. They like to strip.
Hector
2003 Rally Red Mitsubishi Evolution VIII
257HP/259TQ
2005 Lapis Blue Mazda 6s
RET: 00 Cabernet Red Ford Contour Zetec ATX SUPERCHARGED
160HP/141TQ