how can u test ur pump? both front and rear bank 02 sensors are reading lean.. guy at auto zone said it would be fuel filter, pump, pressure reg, or bad 02 sensors.. replaced filter and nothing, but would like to make sure before i do 02's or pump..

andy ideas???



thanks,
- Daniel


99 Contour SVT -Spec Stage 1 Clutch, LSD, Spec lightened flywheel. 91 Ranger XLT