had code po133 on my truck so i changed all o2 sensors and reset light and tried to get it inspected, they said computer wasn't ready told me to drive it about a hundred miles and bring it back,well i did this and light came back on with code po 134 what else could be wrong
engine light on 2003 Chevrolet Silverado 1500
by unhandyman in Zachary, LA on February 15, 2011
1 answer 2 comments
ANSWER by mastertech6371 , February 15, 2011
there are times when the o2 heaters are bad that they blow a fuse as well. check all the fuses to make sure the circuit is complete. Roy
COMMENT by Visitor , February 15, 2011
ok will check fuses,are they just the regular fuses in fuse box?
COMMENT by Visitor , February 17, 2011
all fuses are good ,now what?