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i have a 2002 dodge ram 2500 4x4 truck that keeps giving obd codes p00131,p0053,p0131.
i have checked all the ground wires that i could find, the dealer replaced the all 4 o2 sensors, was told the comuter was bad. had that checked out good and those 3 codes just keep comking back. please need some help.

Vehicle: 2002 dodge ram 5.9 gas

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P0131 02 sensor signal shorted to ground, bank 1 sensor 1, clear the code , disconnect the 02 harness, P0131 should not appear,if it appears you will have to open the harness where 02 sensor bank 1 sensor 1 ,goes to it is common for the wire to rot especially where oil leaks at the wire is at.

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