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Recently I did a Cat-Delete. I have to go back to the muffler shop since the CEL turned on, I am guessing O2 sensor is reading too much since the catalytic isn't there. But sometimes when I am at D5 the VTM-4 light comes on and disengages my AWD causing from tires to spin if I accelerate too much. If I turn off the engine off then back ok the light will go off an AWD keeps working! Any tips of what could be causing this? Appreciate your help folks!


TavuL
 

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Check your battery power and correct the issue with the 02 sensor..
Low Battery power can cause VTM4 to not function since it needs power for the electro magnetic diff.
02 Sensor can cause a Limp Mode which can also disable VTM4
 
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