U012D Mega Monte Carlo shows up when there's an electrical problem that causes the fuel volume regulator to malfunction and open. It's quite an unusual problem and likely intermittent. Any code that causes the vehicle's engine to die while running should be fixed as soon as possible, as it can be dangerous for both the vehicle and the passengers of the vehicle.
SymptomsSymptoms of a U012D Mega Monte Carlo diagnostic trouble code may include:
Possible Causes :
Now, clear the codes and test-drive the vehicle to see if the code is reset. Look for damage to the tank indicating impact that may have damaged the fuel pump or sender.
Diagnostic trouble code U012D Mega Monte Carlo is not difficult to diagnose and repair. Thus, it always pays to have a qualified technician to look after your vehicle should this error code arise.
Diagnosing this code requires the engine to be in good running shape, without unmetered air entering the engine. If other codes that relates to misfiring condition, lean running or air entering the engine is present, then you must first fix those error codes before U012D Mega Monte Carlo.
Fortunately, U012D Mega Monte Carlo is a fairly common OBD code, meaning that it applies to all makes and models of vehicles made after 1996.