well I gave info in first post this one I tried to delete.96 disco 155000 miles just got the truck. Has fresh plugs and wires yes they are the oreillys brand. Got some sti wires coming. truck runs ok but up fires and backfires through mid rpm range. I have a snap on solus ultra with up to date...
96 disco up firing and backfiring mid rpms. hook up solus ultra scanner and....vss up to 30000mph....air temp -40.....rear o2's 5.0volts.... and other strange things nothing changes when I unplug afore mentioned sensors reading's stay the same runs no better or worse! bad gems? ***???:confused:
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