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Per Vin # there was a group of these engines built, no EGR valve, I jnitially had a 441 and 442 code, bad O2 sensors, then cleared and new code 401! Help!!!
Vehicle: 2003, Dodge Stratus 2,4L DOHC

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This is where the history of the vehicle is needed, if the ECM was ever replaced on the vehicle it would need to be reflashed,  If the eigth  VIN is a X then this was required.

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