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    P0137 Code With Exhaust Brake Activated

    I've read where using straight gasoline to soak them in is the preferred method, is that true? I've, also, seen them cleaned using EGR cleaning fluid like the kind from Chrysler.
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    P0137 Code With Exhaust Brake Activated

    That's probably what I'll do, it would be far less expensive than changing parts for no reason. I just need to get some EGR cleaning fluid.
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    P0137 Code With Exhaust Brake Activated

    I have a 2007.5, Dodge 3500, 6.7 with a Superchips tune for towing. Virtually every time activate the exhaust brake and go down a long grade, I get a Check Engine Light. When I read the code it's P0137, O2 Sensor, 1/2 circuit low. I take it it's the oxygen sensor(s) forward and/or aft of the Cat...
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