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  1. T

    LB7 code 0090 trouble shooting and diagram needed

    started a new thread as the other was going in the wrong direction, My loping and high pressure problem seems to be electrical. The fpr is good, no blockage and read 3.2 ohm's, same as a new one (tested)I would like to follow my wires to see if there is a break somewhere or trouble shoot...
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    loping lb7 with no tune???check engine lit--help

    not sure if this is in the right place ...new here. I have a lb7 with 62000miles 6 speed manual dually, injectors done by stealership. never an issue till now....try and follow this, I ran the truck for 40 or so miles, no issues. stopped in my driveway for 20 or so minutes...
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