Dodge Repair Questions? Ask a Mechanic for Answers ASAP
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Are you having any symptoms? Have the codes been cleared oonly to have them return? It is going to take a diagnostic to determine the cause.
Here are the possible causes for P0731, the P0876 is likely just a symptom of the P0731
It might just be a solenoid issue which is common on those, but it will take a diagnostic to know.