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2003 Chevrolet Silverado 1500 Question: engine light



, 4.3L V6, Zachary, LA, February 15, 2011, 09:20

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

1 Answer
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  • Answer #1

    February 15, 2011, 10:12

    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.


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  • Reply

    , February 15, 2011, 12:23

    ok will check fuses,are they just the regular fuses in fuse box?

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  • Reply

    , February 17, 2011, 11:34

    all fuses are good ,now what?

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