C0350 Mitsubishi Sigma is described as Intake Air Temperature (IAT) Circuit Malfunction. It's actually a general trouble code for a problem on IAT electrical circuit sensor, as it sends incorrect voltage input signals to the PCM. Other symptoms that may indicate this problem are when the Check Engine Light illuminates and when there is a visible lack of engine power.
SymptomsSymptoms of a C0350 Mitsubishi Sigma diagnostic trouble code may include:
Possible Causes :
Look for damage to the tank indicating impact that may have damaged the fuel pump or sender. Look for rubbing, scraping, bare wires, worn spots or melted plastic connectors. Pull the connectors apart and carefully look at the terminals (the metal parts) inside the connectors.
Diagnostic trouble code C0350 Mitsubishi Sigma 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 C0350 Mitsubishi Sigma.
Fortunately, C0350 Mitsubishi Sigma is a fairly common OBD code, meaning that it applies to all makes and models of vehicles made after 1996.